Signal Summary; Signal Specifications - Toshiba SD-M1212 - DVD-ROM Drive - IDE Specifications

6.2.Signal summary

The physical interface consists of single ended TTL compatible receivers and drivers
communicating through a 40P-connector as shown in Figure 12 "Interface connector".
6.2.1. Signal Specification
Figure 7 shows the Signal Specifications
Type
Sig. Name
Rx
HD0 - HD15
Rs1 Rs2
/DASP
/PDIAG
1.2 kOHM
/IOCS16
Rs
1 kOHM
Rs
IORDY
Rs
/HDRQ
/INTRQ
Rx
/HWR
/HRD
Rs
HA0 - HA2
/HCS1/HCS3
/HDAK
100 kOHM
RESET
82 OHM
Receivers/Drivers Caracteristics withoutExternal pullup Resistor
VOH Voltage Output High
VOL Voltage Output Low
Input HIGH Voltage
VIH
Input LOW Voltage
VIL
ILI
P Input leakage Current
IOL
Driver sink current
timing
N ILO Output Leakage Current
control
Input Capacitance
CI
Output Capacitance
CO
VOL Voltage Output Low
Driver sink current
IOL
ILO Output Leakage Current
N
Output Capacitance
CO
VOH Voltage Output High
VOL Voltage Output Low
P
Driver sink current
IOL
timing
control ILO Output Leakage Current
N
Output Capacitance
CO
VOH Voltage Output High
VOL Voltage Output Low
P
Driver sink current
IOL
timing
control
Output Leakage Current
ILO
N
Output Capacitance
CO
Input HIGH Voltage
VIH
Input LOW Voltage
VIL
Input leakage Current
ILI
Input Capacitance
CI
VIH Input HIGH Voltage
Input LOW Voltage
VIL
ILI Input leakage Current
Input Capacitance
CI
Figure 7 Signal Specifications
Min Max
Vdd-0.4 V
0.4 V
2.0 V
0.8 V
-30 µA -150 µA
12 mA
-30 µA -150 µA Pullup Resistor(Ri)
8 pF
8 pF
0.4 V
24 mA
-30 µA -150 µA Pullup Resistor(Ri)
8 pF
2.4 V
0.4 V
24 mA
-10 µA 10 µA
8 pF
Vdd-0.4 V
0.4 V
12 mA
-10 µA 10 µA
8 pF
2.0 V
0.8 V
-30 µA -150 µA
8 pF
3.5 V
1.5 V
-30 µA -150 µA Pullup Resistor(Ri)
8 pF
13/28
NOTE
Condition
Bidirectional
IOH=1 mA
Rx=infinity
Rs1=0 OHM
IOL=12 mA
Rs2=33 OHM
TTL
HD0-HD15
TTL
Rx=10 kOHM
Pullup Resistor(Ri)
Rs1=0 OHM
Rs2=0 OHM
/PDIAG,
/DASP
IOL=24 mA
Open Drain
Rs=0 OHM
IOH=400 µA
Rs=22 OHM
IOL=24 mA
IOH=400 µA
Rs=22 OHM
IOL=12 mA
/INTRQ
/HDRQ
Rx=infinity
TTL
Rs=82 OHM
TTL
/HWR, /HA0-2,
Pullup Resistor(Ri)
/HDAK
Rx=infinity
Rs=470 OHM
/HRD
Rx=10 kOHM
Rs=82 OHM
/HCS1,/HCS3
SD-M1212 Rev.1.0