Toshiba SD-R6112 specifications 16/28, Shows the Signal Specifications

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 16 and Figure 17 "Interface connector".

6.2.1. Signal Specification

Figure 12 shows the Signal Specifications

Sig. Name	Type			Receivers/Drivers Caracteristics withoutExternal pullup Resistor					NOTE
						Min	Max	Condition	Bidirectional
								IOH=1 mA
	Rx			VOH	Voltage Output High	Vdd-0.4 V			Rx=infinity
								IOL=12 mA	Rs1=0 OHM
				VOL	Voltage Output Low		0.4 V
HD0 - HD15				VIH	Input HIGH Voltage	2.4 V		TTL	Rs2=33 OHM
	Rs1 Rs2			VIL	Input LOW Voltage		0.6 V	TTL	HD0-HD15
/DASP									Rx=10 kOHM
		P		ILI	Input leakage Current	-30 µA	-400 µA	Pullup Resistor(Ri)
/PDIAG									Rs1=0 OHM
				IOL	Driver sink current	24 mA
			timing						Rs2=0 OHM
		N		ILO	Output Leakage Current	-30 µA	-400 µA	Pullup Resistor(Ri)
			control						/PDIAG,
				CI	Input Capacitance		15 pF
									/DASP
				CO	Output Capacitance		15 pF
	Rx			VOL	Voltage Output Low		0.5 V	IOL=12 mA	Open Drain
				IOL	Driver sink current	24 mA			Rx=1.2 kOHM
/IOCS16	Rs			CO	Output Capacitance		15 pF		Rs=0 OHM
		N
	Rx			VOH	Voltage Output High	2.4 V		IOH=400 µA	Rx=2.2 kOHM
	Rs	P		VOL	Voltage Output Low		0.5 V	IOL=12 mA	Rs=22 OHM
IORDY			timing	IOL	Driver sink current	24 mA
		N	control
				CO	Output Capacitance		15 pF
				VOH	Voltage Output High	Vdd-0.4 V		IOH=400 µA	Rs=22 OHM
	Rs	P		VOL	Voltage Output Low		0.4 V	IOL=12 mA	/INTRQ
/HDRQ			timing	IOL	Driver sink current				/HDRQ
						24 mA
/INTRQ		N	control
				CO	Output Capacitance		15 pF
				VIH	Input HIGH Voltage	2.0 V		TTL	Rx=infinity
/HWR	Rx			VIL	Input LOW Voltage		0.8 V	TTL	Rs=82 OHM
									/HWR, /HA0-2,
/HRD				ILI	Input leakage Current	-30 µA	-400 µA Pullup Resistor(Ri)
	Rs								/HDAK
HA0 - HA2
					Input Capacitance		15 pF		Rx=infinity
/HCS1/HCS3				CI
/HDAK									Rs=120 OHM
									/HRD
									Rx=10 kOHM
									Rs=82 OHM
									/HCS1,/HCS3
	100 kOHM			VIH	Input HIGH Voltage	2.4 V
RESET				VIL	Input LOW Voltage		0.6 V
				ILI	Input leakage Current	-30 µA	-400 µA Pullup Resistor(Ri)
	1 kOHM			CI	Input Capacitance		15 pF

Figure 12 Signal Specifications

16/28 SD-R6112 Rev.1.0