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Figure 9 signal specifications – Toshiba SD-R5112 User Manual

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SD-R5112 Rev.1.0

6.2.Signal summary

The physical interface consists of single ended TTL compatible receivers and drivers

communicating through a 50P-connector as shown in Figure 13 and Figure 14 "Interface connector".

6.2.1. Signal Specification

Figure 9 shows the Signal Specifications

N

P

N

Sig. Name

HD0 - HD15

/DASP

/PDIAG

Type

Bidirectional

IOL

Driver sink current

Min

Max

12 mA

VOH Voltage Output High

Vdd-0.4 V

VOL Voltage Output Low

0.4 V

IOH=1 mA

IOL=12 mA

VIH

Input HIGH Voltage

2.0 V

TTL

VIL

Input LOW Voltage

ILI

-30 µA -150 µA

TTL

Pullup Resistor(Ri)

ILO

Input leakage Current

Output Leakage Current

-30 µA -150 µA Pullup Resistor(Ri)

CI

Input Capacitance

8 pF

CO

Output Capacitance

8 pF

Open Drain

/IOCS16

24 mA

VOL Voltage Output Low

0.4 V

IOL=24 mA

8 pF

CO

Output Capacitance

Driver sink current

P

N

Receivers/Drivers Caracteristics withoutExternal pullup Resistor

Condition

Rx

NOTE

Rs1=0 OHM
Rs2=33 OHM
HD0-HD15
Rx=10 kOHM
Rs1=0 OHM
Rs2=0 OHM
/PDIAG,
/DASP

IOL

IORDY

2.2 kOHM

1.2 kOHM

IOL

Driver sink current

24 mA

VOH Voltage Output High

VOL

Voltage Output Low

0.4 V

IOH=400 µA

IOL=24 mA

ILO

Output Leakage Current

CO

8 pF

-10 µA 10 µA

Output Capacitance

/HDRQ

/INTRQ

ILO

Output Leakage Current

-30 µA -150 µA Pullup Resistor(Ri)

P

N

IOL

Driver sink current

12 mA

VOH Voltage Output High

VOL Voltage Output Low

0.4 V

IOH=400 µA

IOL=12 mA

ILO

Output Leakage Current

CO

8 pF

-10 µA

10 µA

Output Capacitance

/HWR

/HRD
HA0 - HA2
/HCS1/HCS3
/HDAK

VIH

Input HIGH Voltage

2.0 V

TTL

VIL

Input LOW Voltage

ILI

-30 µA -150 µA

TTL

Pullup Resistor(Ri)

Input leakage Current

CI

Input Capacitance

8 pF

Rx

RESET

100 kOHM

VIH

Input HIGH Voltage

2.4 V

VIL

Input LOW Voltage

ILI

-30 µA -150 µA Pullup Resistor(Ri)

Input leakage Current

CI

Input Capacitance

8 pF

Rs

Rs

Rs

Rs=22 OHM

/INTRQ

/HDRQ

Rs=0 OHM

Rs

Rs=22 OHM

0.8 V

0.8 V

0.6 V

timing

control

timing

control

timing

control

2.4 V

Rs1

1 kOHM

Rs2

Rx=10 kOHM

Rx=infinity

Rs=82 OHM

/HWR, /HA0-2,

/HDAK
Rx=infinity
Rs=120 OHM
/HRD
Rx=10 kOHM

Rs=82 OHM

/HCS1,/HCS3

Vdd-0.4 V

Rx=47 kOHM

Rs=82 OHM

Figure 9 Signal Specifications