Interface Logic Signal Levels (Pata Model); Signal Definition (Sata Model); Table 18. Interface Connector Pins And I/O Signals - Hitachi HDS725050KLA360 Specifications

6.4 Interface logic signal levels (PATA model)

The interface logic signals have the following electrical specifications:
Inputs
Outputs:

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.
Table 18: Interface connector pins and I/O signals
No.
S1
S2
S3
Signal S4
S5
S6
S7
P1
P2
P3
P4
P5
P6
P7
P8
Power P9
P10
P11
P12
P13
P14
P15
Input High Voltage
Input Low Voltage
Output High Voltage
Output Low Voltage
Plug Connector pin definition
GND
A+ Differential signal A from Phy
A-
Gnd
B- Differential signal B from Phy
B+
Gnd
Key and spacing separate signal and power
V33
V33
V33 3.3V power, pre-charge, 2nd Mate
Gnd
Gnd
Gnd
V5 5V power,pre-charge,2nd Mate
V5
V5
Gnd
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
Gnd
V12 12V power,pre-chage,2nd mate
V12
V12
Deskstar 7K500 and Deskstar E7K500 Hard Disk Drive Specification
2.0 V min
0.8 V max.
2.4 V min.
0.5 V max.
2nd mate
2nd mate
2nd mate
segments
3.3V power
3.3V power
1st mate
2nd mate
2nd mate
5V power
5V power
2nd mate
1st mate
12V power
12V power
29
Signal I/O
Gnd
RX+ Input
RX- Input
Gnd
TX- Output
TX+ Output
Gnd
3.3V
3.3V
3.3V
Gnd
Gnd
Gnd
5V
5V
5V
Gnd
Reserve
Gnd
V12
V12
V12