Hitachi HDS725050KLA360 Specifications - Page 43

Interface logic signal levels PATA model - deskstar drivers

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6.4 Interface logic signal levels (PATA model) The interface logic signals have the following electrical specifications: Inputs Outputs: Input High Voltage Input Low Voltage Output High Voltage Output Low Voltage 2.0 V min 0.8 V max. 2.4 V min. 0.5 V max. 6.4.1 Signal definition (SATA model) SATA has receivers and drivers to be connected to Tx+/ - and Rx +/- Serial data signal defines the signal names of I/O connector pin and signal name. Table 18: Interface connector pins and I/O signals No. Plug Connector pin definition S1 GND 2nd mate S2 A+ Differential signal A from Phy S3 A- Signal S4 Gnd 2nd mate S5 B- Differential signal B from Phy S6 B+ S7 Gnd 2nd mate Key and spacing separate signal and power segments P1 V33 3.3V power P2 V33 3.3V power P3 V33 3.3V power, pre-charge, 2nd Mate P4 Gnd 1st mate P5 Gnd 2nd mate P6 Gnd 2nd mate P7 V5 5V power,pre-charge,2nd Mate P8 V5 5V power Power P9 V5 5V power P10 Gnd 2nd mate P11 Reserved 1. This pin corresponding to P11 in thebackplane receptacle connector is also reserved 2. The corresponding pin to be mated with P11 in the power cable receptacle connector shall always be grounded P12 Gnd 1st mate P13 V12 12V power,pre-chage,2nd mate P14 V12 12V power P15 V12 12V power Signal Gnd RX+ RXGnd TXTX+ Gnd 3.3V 3.3V 3.3V Gnd Gnd Gnd 5V 5V 5V Gnd Reserve Gnd V12 V12 V12 I/O Input Input Output Output Deskstar 7K500 and Deskstar E7K500 Hard Disk Drive Specification 29

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Deskstar 7K500 and Deskstar E7K500 Hard Disk Drive Specification
29
6.4
Interface logic signal levels (PATA model)
The interface logic signals have the following electrical specifications:
6.4.1
Signal definition (SATA model)
SATA has receivers and drivers to be connected to Tx+/ - and Rx +/- Serial data signal defines the signal names of I/O connec-
tor pin and signal name.
Inputs
Input High Voltage
Input Low Voltage
2.0 V min
0.8 V max.
Outputs:
Output High Voltage
Output Low Voltage
2.4 V min.
0.5 V max.
Table 18: Interface connector pins and I/O signals
No.
Plug Connector pin definition
Signal
I/O
S1
GND
2nd mate
Gnd
S2
A+
Differential signal A from Phy
RX+
Input
S3
A-
RX-
Input
Signal
S4
Gnd
2nd mate
Gnd
S5
B-
Differential signal B from Phy
TX-
Output
S6
B+
TX+
Output
S7
Gnd
2nd mate
Gnd
Key and spacing separate signal and power
segments
P1
V33
3.3V power
3.3V
P2
V33
3.3V power
3.3V
P3
V33
3.3V power, pre-charge, 2nd Mate
3.3V
P4
Gnd
1st mate
Gnd
P5
Gnd
2nd mate
Gnd
P6
Gnd
2nd mate
Gnd
P7
V5
5V power,pre-charge,2nd Mate
5V
P8
V5
5V power
5V
Power
P9
V5
5V power
5V
P10
Gnd
2nd mate
Gnd
P11
Reserved
1. This pin corresponding to P11 in
thebackplane receptacle connector is also
reserved
2. The corresponding pin to be mated with
P11
in the power cable receptacle connector
shall
always be grounded
Reserve
P12
Gnd
1st mate
Gnd
P13
V12
12V power,pre-chage,2nd mate
V12
P14
V12
12V power
V12
P15
V12
12V power
V12