Specifications
Page 5
...to protect from any purpose. Data may be lost due to accidents such as disasters, shock damage during write operation. Hitachi makes no representations or warranties with pallet to the contents hereof and specifically disclaims any implied warranties or merchantability or fitness ...or changes. Recorded data on should not exceed one year. 20. Use original packages (50 units' package) during drive transportation to unexpected or accidental power loss during handling or drive failure. To prepare for the drive transportation) 22. The long-term storage without obligation to notify ...
...to protect from any purpose. Data may be lost due to accidents such as disasters, shock damage during write operation. Hitachi makes no representations or warranties with pallet to the contents hereof and specifically disclaims any implied warranties or merchantability or fitness ...or changes. Recorded data on should not exceed one year. 20. Use original packages (50 units' package) during drive transportation to unexpected or accidental power loss during handling or drive failure. To prepare for the drive transportation) 22. The long-term storage without obligation to notify ...
Specifications
Page 6
...Off Sequence 4.0 Installation 4.1 Installation Direction 4.2 Mounting HDD 4.2.1 Mounting HDD with Screws 4.2.2 Single HDD Test Condition 4.2.3 Attention for HDD Installation 4.3 Drive Address Setting(DRIVE 0/DRIVE 1) 4.4 Dimensions 5.0 Packing and Handling 5.1 Packing 5.2 Handling 6.0 Interface 6.1 Power Interface 6.2 Physical Interface 6.2.1 Connector 6.2.2 Connector Pin Assignment ... Rev.3 02.27.01 - 6 - Page 2 9 9 10 12 13 13 15 16 17 17 17 17 18 18 19 19 20 21 21 22 23 23 24 25 25 26 26 27 28...
...Off Sequence 4.0 Installation 4.1 Installation Direction 4.2 Mounting HDD 4.2.1 Mounting HDD with Screws 4.2.2 Single HDD Test Condition 4.2.3 Attention for HDD Installation 4.3 Drive Address Setting(DRIVE 0/DRIVE 1) 4.4 Dimensions 5.0 Packing and Handling 5.1 Packing 5.2 Handling 6.0 Interface 6.1 Power Interface 6.2 Physical Interface 6.2.1 Connector 6.2.2 Connector Pin Assignment ... Rev.3 02.27.01 - 6 - Page 2 9 9 10 12 13 13 15 16 17 17 17 17 18 18 19 19 20 21 21 22 23 23 24 25 25 26 26 27 28...
Specifications
Page 14
...ms at power on is required for the protection. *5 : For more information, refer to 20 seconds in which the power voltage and the temperature are unloaded. *7: Power mode automatically enters...spin up to Section 6.1. *6 : This value is recommended at the connector of the PCBA of 10,000 random seeks, Voltage 5.0V, Temperature 25°C. Caution This product is required over current protection ...the average current is measured at 5 minutes later after power-on the same track before this drive and in the nominal condition in case of spin up retries under the following condition. (Read...
...ms at power on is required for the protection. *5 : For more information, refer to 20 seconds in which the power voltage and the temperature are unloaded. *7: Power mode automatically enters...spin up to Section 6.1. *6 : This value is recommended at the connector of the PCBA of 10,000 random seeks, Voltage 5.0V, Temperature 25°C. Caution This product is required over current protection ...the average current is measured at 5 minutes later after power-on the same track before this drive and in the nominal condition in case of spin up retries under the following condition. (Read...
Specifications
Page 15
... packed in HDD package box. Item Specification DK23CA-30F DK23CA-30/15/75 1 Ambient *1 Operational 5 to 55°C temperature Non-operational -40 to 70°C *2 Temperature gradient Max. 20°C /hour 2 Relative humidity Operational 5 to 90 % Non-operational 5 to 0°C, the drive should be measured at a point 10 mm away from the nameplate of the...
... packed in HDD package box. Item Specification DK23CA-30F DK23CA-30/15/75 1 Ambient *1 Operational 5 to 55°C temperature Non-operational -40 to 70°C *2 Temperature gradient Max. 20°C /hour 2 Relative humidity Operational 5 to 90 % Non-operational 5 to 0°C, the drive should be measured at a point 10 mm away from the nameplate of the...
Specifications
Page 16
...usage conditions, please consult our sales representatives or application engineers if the drive may be measured between two of side mounting holes) should be less than 50 mAp-p (Frequency Range: less than 20% of evaluation, once or more unload operation by Power off ,... should be measured through 50 ohm resistor. -External Magnetic Field : Within specifications given in Table 3.1 "Principal Specifications" -Drive Grounding : Drive frame should be grounded to the drive. K6602637 Rev.3 02.27.01 - 16 - This number includes Standby, Sleep and power-on hours (POH) : ...
...usage conditions, please consult our sales representatives or application engineers if the drive may be measured between two of side mounting holes) should be less than 50 mAp-p (Frequency Range: less than 20% of evaluation, once or more unload operation by Power off ,... should be measured through 50 ohm resistor. -External Magnetic Field : Within specifications given in Table 3.1 "Principal Specifications" -Drive Grounding : Drive frame should be grounded to the drive. K6602637 Rev.3 02.27.01 - 16 - This number includes Standby, Sleep and power-on hours (POH) : ...
Specifications
Page 17
... the normal unload is automatically performed by the Host side. [Sequence #3]: Power off the drive Above sequence is required for the Host system at Power off . [Sequence #1]: Execute one... of following commands. - Standby - Soft Reset does not unload the heads from DK23CA-xx. [Sequence #2]: Check the Status Register, and wait the command complete. 3.4 Load/Unload Specifications... Hibernation operations. Standby Immediate - Since normal unload can not be set to maximum 20,000 times during Idle mode. The maximum number of emergency unload is defined separately....
... the normal unload is automatically performed by the Host side. [Sequence #3]: Power off the drive Above sequence is required for the Host system at Power off . [Sequence #1]: Execute one... of following commands. - Standby - Soft Reset does not unload the heads from DK23CA-xx. [Sequence #2]: Check the Status Register, and wait the command complete. 3.4 Load/Unload Specifications... Hibernation operations. Standby Immediate - Since normal unload can not be set to maximum 20,000 times during Idle mode. The maximum number of emergency unload is defined separately....
Specifications
Page 20
... floating by tension of I =7.3X10-4 kg m2 ) HDD X Axis Direction K6602637 Rev.3 02.27.01 ABS-sheet (t = 5mm) Figure 4-3 Single HDD Test Condition - 20 - HDD should be fixed by tension of I/F cabling. (70) (13) Use the body weight as HDD self-vibration at HDD test. Also, HDD floating by... the required holding torque above item 1), put a body weight on the soft sponge sheet or slippery hard desk surface, the HDD has unstable conditions such as specified below. The body weight is placed on the HDD as shown in Figure 4-3. Don't ...
... floating by tension of I =7.3X10-4 kg m2 ) HDD X Axis Direction K6602637 Rev.3 02.27.01 ABS-sheet (t = 5mm) Figure 4-3 Single HDD Test Condition - 20 - HDD should be fixed by tension of I/F cabling. (70) (13) Use the body weight as HDD self-vibration at HDD test. Also, HDD floating by... the required holding torque above item 1), put a body weight on the soft sponge sheet or slippery hard desk surface, the HDD has unstable conditions such as specified below. The body weight is placed on the HDD as shown in Figure 4-3. Don't ...
Specifications
Page 27
... DA0 35 CS0- 37 DASP- 39 5VDC(Logic) 41 GND(Logic) 43 B JUMPER0 D JUMPER2 F KEY(Removed) 2 GND 4 DD8 6 DD9 8 DD10 10 DD11 12 DD12 14 DD13 16 DD14 18 DD15 20 KEY(Removed) 22 GND 24 GND 26 GND 28 CSEL 30 GND 32 IOCS16- 34 PDIAG- 36 DA2 38 CS1- 40...
... DA0 35 CS0- 37 DASP- 39 5VDC(Logic) 41 GND(Logic) 43 B JUMPER0 D JUMPER2 F KEY(Removed) 2 GND 4 DD8 6 DD9 8 DD10 10 DD11 12 DD12 14 DD13 16 DD14 18 DD15 20 KEY(Removed) 22 GND 24 GND 26 GND 28 CSEL 30 GND 32 IOCS16- 34 PDIAG- 36 DA2 38 CS1- 40...
Specifications
Page 30
...Low level +0.4V or less (IOL=2mA), +0.5V or less (IOL=12mA) Note) The I/F cable should be no longer than 50cm(20 inches) including the circuit pattern length in the host system. Signal name DASP- At command completion, the device de-asserts this specification, ...it is turned on. K6602637 Rev.3 02.27.01 - 30 - See Sec. 4.3 " Drive Address Setting (Drive 0/Drive 1)" for DMA data transfers between host and device, when it may cause factional degradations or some errors. The I - Table 6.2 Signal List(3/3) ...
...Low level +0.4V or less (IOL=2mA), +0.5V or less (IOL=12mA) Note) The I/F cable should be no longer than 50cm(20 inches) including the circuit pattern length in the host system. Signal name DASP- At command completion, the device de-asserts this specification, ...it is turned on. K6602637 Rev.3 02.27.01 - 30 - See Sec. 4.3 " Drive Address Setting (Drive 0/Drive 1)" for DMA data transfers between host and device, when it may cause factional degradations or some errors. The I - Table 6.2 Signal List(3/3) ...
Specifications
Page 38
...Bit 8 1 = DMA supported Bit 7 - 0 Vendor Specific Value (HEX.) 045Ah See table 6.6 C837h See table 6.6 See table 6.6 0003h DK23CA-15/ 75: 0400h DK23CA-30F/ 30: 1000h 0004h 8010h 0000h 0B00h K6602637 Rev.3 02.27.01 - 38 - The parameter words are defined in the sector buffer, sets...unformatted bytes per track 5 Number of unformatted bytes per sector 6 Number of logical sectors per logical track 7-9 Vendor specific 10-19 Serial number (20 ASCII characters) 20 Buffer type 0000h = Not specified 0001h = Single port single buffer 0002h = Dual port multi-sector buffer 0003h = ...
...Bit 8 1 = DMA supported Bit 7 - 0 Vendor Specific Value (HEX.) 045Ah See table 6.6 C837h See table 6.6 See table 6.6 0003h DK23CA-15/ 75: 0400h DK23CA-30F/ 30: 1000h 0004h 8010h 0000h 0B00h K6602637 Rev.3 02.27.01 - 38 - The parameter words are defined in the sector buffer, sets...unformatted bytes per track 5 Number of unformatted bytes per sector 6 Number of logical sectors per logical track 7-9 Vendor specific 10-19 Serial number (20 ASCII characters) 20 Buffer type 0000h = Not specified 0001h = Single port single buffer 0002h = Dual port multi-sector buffer 0003h = ...
Specifications
Page 54
The Sector Count Register sets the standby timer value. By the power on default, the Standby timer is disabled. Sector Count Value SC = 0 0 6.3.2.6.4 Idle [97h, E3h] This command causes the device to enter to the Idle Mode.
The Sector Count Register sets the standby timer value. By the power on default, the Standby timer is disabled. Sector Count Value SC = 0 0 6.3.2.6.4 Idle [97h, E3h] This command causes the device to enter to the Idle Mode.
Specifications
Page 88
Figure 6-4 PIO Data Transfer Timing(Mode 4) t0 Addr Valid *1 t1 t2 t9 DIOR-/DIOW- Data Setup 20 t6 DIOR- Assertion(MAX) t8 Addr Valid To IOCS16- Data Hold 10 t5 DIOR- Negation (MAX) t9 DIOR-/DIOW- Setup 25 t2 DIOR-/DIOW- Data Hold 5 t6Z DIOR- to DIOR-/DIOW- 6.4 Interface Signal Timing 6.4.1 Data Transfer...-0 *2 Data consists of DD0-15(16 bit) or DD0-7(8 bit) SYMBOL Description MIN(ns) t0 Cycle Time 120 t1 Address Valid to Address Valid Hold 10 MAX(ns) 30 40 30 K6602637 Rev.3 02.27.01 - 88 - Recovery 25 t3 DIOW- Data Setup...
Figure 6-4 PIO Data Transfer Timing(Mode 4) t0 Addr Valid *1 t1 t2 t9 DIOR-/DIOW- Data Setup 20 t6 DIOR- Assertion(MAX) t8 Addr Valid To IOCS16- Data Hold 10 t5 DIOR- Negation (MAX) t9 DIOR-/DIOW- Setup 25 t2 DIOR-/DIOW- Data Hold 5 t6Z DIOR- to DIOR-/DIOW- 6.4 Interface Signal Timing 6.4.1 Data Transfer...-0 *2 Data consists of DD0-15(16 bit) or DD0-7(8 bit) SYMBOL Description MIN(ns) t0 Cycle Time 120 t1 Address Valid to Address Valid Hold 10 MAX(ns) 30 40 30 K6602637 Rev.3 02.27.01 - 88 - Recovery 25 t3 DIOW- Data Setup...
Specifications
Page 89
... Read Data Valid to IORDY active tB IORDY assertion to DMARQ delay tD DIOR- / DIOW- Data Hold tI DMACK- Setup MIN(ns) 240 120 5 35 20 0 0 tD-tE K6602637 Rev.3 02.27.01 - 89 - Pulse Width tE DIOR- to release tRD tC MIN(ns) 0 MAX(ns) 35 1250 5 ççç...
... Read Data Valid to IORDY active tB IORDY assertion to DMARQ delay tD DIOR- / DIOW- Data Hold tI DMACK- Setup MIN(ns) 240 120 5 35 20 0 0 tD-tE K6602637 Rev.3 02.27.01 - 89 - Pulse Width tE DIOR- to release tRD tC MIN(ns) 0 MAX(ns) 35 1250 5 ççç...
Specifications
Page 90
... tN tJ tZ *3 Data Consists DD(15:0) SYMBOL Description t0 Cycle Time tD DIOR- /DIOW- Data Hold tI DMACK to tristate MIN(ns) 120 70 5 20 20 10 0 5 25 25 25 MAX(ns) 50 35 25 K6602637 Rev.3 02.27.01 - 90 -
... tN tJ tZ *3 Data Consists DD(15:0) SYMBOL Description t0 Cycle Time tD DIOR- /DIOW- Data Hold tI DMACK to tristate MIN(ns) 120 70 5 20 20 10 0 5 25 25 25 MAX(ns) 50 35 25 K6602637 Rev.3 02.27.01 - 90 -
Specifications
Page 91
... tUI 0 0 0 0 0 0 Unlimited interlock tAZ 10 10 10 10 10 10 Maximum time allowed for output drivers to -driving until the first transition of critical timing tDZFS 70 48 31 20 6.7 25 Time from data output released- to-driving until DMARQ and DMACK are not in effect until the first transition of critical timing tACK 20 20 20 20 20 20 Setup and hold time at...
... tUI 0 0 0 0 0 0 Unlimited interlock tAZ 10 10 10 10 10 10 Maximum time allowed for output drivers to -driving until the first transition of critical timing tDZFS 70 48 31 20 6.7 25 Time from data output released- to-driving until DMARQ and DMACK are not in effect until the first transition of critical timing tACK 20 20 20 20 20 20 Setup and hold time at...
Specifications
Page 92
... 0(ns) Mode 1(ns) Mode 2(ns) Mode3(ns) MIN MAX MIN MAX MIN MAX MIN MAX 112 73 54 39 230 153 115 86 15 10 7 7 5 5 5 5 70 48 31 20 6.2 6.2 6.2 6.2 14.7 9.7 6.8 6.8 4.8 4.8 4.8 4.8 72.9 50.9 33.9 22.6 9.0 9.0 9.0 9.0 Mode4(ns) MIN MAX 25 57 5 5 6.7 6.2 4.8 4.8 9.5 9.0 Mode5(ns) MIN MAX 16.8 38 4 4.6 4.8 4.8 2.3 2.8 6.0 6.0 Description Cycle time allowing for asymmetry...
... 0(ns) Mode 1(ns) Mode 2(ns) Mode3(ns) MIN MAX MIN MAX MIN MAX MIN MAX 112 73 54 39 230 153 115 86 15 10 7 7 5 5 5 5 70 48 31 20 6.2 6.2 6.2 6.2 14.7 9.7 6.8 6.8 4.8 4.8 4.8 4.8 72.9 50.9 33.9 22.6 9.0 9.0 9.0 9.0 Mode4(ns) MIN MAX 25 57 5 5 6.7 6.2 4.8 4.8 9.5 9.0 Mode5(ns) MIN MAX 16.8 38 4 4.6 4.8 4.8 2.3 2.8 6.0 6.0 Description Cycle time allowing for asymmetry...
Specifications
Page 94
Note: The definitions for output drivers turning on tIORDYZ 20 20 20 20 20 20 Maximum time before releasing IORDY tACK 20 20 20 20 20 20 Setup and hold times before assertion and negation of DMACK_ tSS 50 50 50 50 50 50 Time ...sender tLI 0 150 0 150 0 150 0 100 0 100 0 75 Limited interlock time tMLI 20 20 20 20 20 20 Interlock time with minimum tAZ 10 10 10 10 10 10 Maximum time allowed for output drivers to release tZAH 20 20 20 20 20 20 Minimum delay time for the STOP, HDMARDY and DSTROBE signal lines are no longer in effect after DMARQ...
Note: The definitions for output drivers turning on tIORDYZ 20 20 20 20 20 20 Maximum time before releasing IORDY tACK 20 20 20 20 20 20 Setup and hold times before assertion and negation of DMACK_ tSS 50 50 50 50 50 50 Time ...sender tLI 0 150 0 150 0 150 0 100 0 100 0 75 Limited interlock time tMLI 20 20 20 20 20 20 Interlock time with minimum tAZ 10 10 10 10 10 10 Maximum time allowed for output drivers to release tZAH 20 20 20 20 20 20 Minimum delay time for the STOP, HDMARDY and DSTROBE signal lines are no longer in effect after DMARQ...
Specifications
Page 95
... MAX MIN MAX MIN MAX MIN MAX MIN MAX MIN MAX tCVS 70 48 31 20 6.7 10 CRC word valid setup time at sender tCVH 6.2 6.2 6.2 6.2 6.2 10 CRC word valid hold times before assertion and negation of DMACK_ K6602637 Rev.3 02.27...20 20 20 20 20 20 Maximum time before releasing IORDY tACK 20 20 20 20 20 20 Setup and hold time at sender tLI 0 150 0 150 0 150 0 100 0 100 0 75 Limited interlock time tMLI 20 20 20 20 20 20 Interlock time with minimum tAZ 10 10 10 10 10 10 Maximum time allowed for output drivers to release tZAH 20 20 20 20 20 20...
... MAX MIN MAX MIN MAX MIN MAX MIN MAX MIN MAX tCVS 70 48 31 20 6.7 10 CRC word valid setup time at sender tCVH 6.2 6.2 6.2 6.2 6.2 10 CRC word valid hold times before assertion and negation of DMACK_ K6602637 Rev.3 02.27...20 20 20 20 20 20 Maximum time before releasing IORDY tACK 20 20 20 20 20 20 Setup and hold time at sender tLI 0 150 0 150 0 150 0 100 0 100 0 75 Limited interlock time tMLI 20 20 20 20 20 20 Interlock time with minimum tAZ 10 10 10 10 10 10 Maximum time allowed for output drivers to release tZAH 20 20 20 20 20 20...
Specifications
Page 96
... 20 70 20 70 0 0 0 tACK 20 20 20 tDZFS 70 48 31 Mode3(ns) MIN MAX 20 6.2 0 100 0 20 55 0 20 20 Mode4(ns) MIN MAX 6.7 6.2 0 100 0 20 55 0 20 6.7 Mode5(ns) Description MIN MAX 4.8 Data valid setup time at sender 4.8 Data valid hold time at sender 0 75 Limited interlock time 0 Unlimited interlock 20 50 Envelope time 0 Minimum time before driving IORDY 20 Setup...
... 20 70 20 70 0 0 0 tACK 20 20 20 tDZFS 70 48 31 Mode3(ns) MIN MAX 20 6.2 0 100 0 20 55 0 20 20 Mode4(ns) MIN MAX 6.7 6.2 0 100 0 20 55 0 20 6.7 Mode5(ns) Description MIN MAX 4.8 Data valid setup time at sender 4.8 Data valid hold time at sender 0 75 Limited interlock time 0 Unlimited interlock 20 50 Envelope time 0 Minimum time before driving IORDY 20 Setup...
Specifications
Page 97
... clock variation t2CYC 230 153 115 86 57 38 Two cycle time allowing for clock variation tDS 15 10 7 7 5 4 Data setup time at recipient tDH 5 5 5 5 5 4.6 Data hold time at recipient tDVS 70 48 31 20 6.7 4.8 Data valid setup time at sender tDVH 6.2 6.2 6.2 6.2 6.2 4.8 Data valid hold time at the device until some time...
... clock variation t2CYC 230 153 115 86 57 38 Two cycle time allowing for clock variation tDS 15 10 7 7 5 4 Data setup time at recipient tDH 5 5 5 5 5 4.6 Data hold time at recipient tDVS 70 48 31 20 6.7 4.8 Data valid setup time at sender tDVH 6.2 6.2 6.2 6.2 6.2 4.8 Data valid hold time at the device until some time...