Agilent Technologies 34980A - Safety Interlock Feature

Specifications 2
34980A Service Guide 21
34950A 64-channel Digital I/O Specifications and Characteristics
[1]
Configurable by 8-bit channel
[2]
Lower current drive at lower voltages
[3]
From memory with handshaking
[4]
5 V, 50pF load
Digital input/output characteristics
Eight 8-bit channels: 8 bits wide, input or output, non-isolated
Vin 0 V – 5 V
[1]
Vout 1.66 V – 5 V
[1]
Iout (max) 24 mA
[2]
Frequency (max) 10 MHz
[3]
I
load
(max) 400 mA
t
rise
+ t
fall
Output (typ) 6 ns
[4]
VREF
OE
DOUT
DIN
EN
Zo = 10
2.5 pF
VTHREF
+5V
+
-
1M
14.7 26.1
10K
Vcc
+5V
+5.1V
I/O
1 of 64
Rpullup
Active Drive:
Vin
Vout (L)

Vout (H)
0 V – 5 V
0.24 V < Vout < 0.55 V
4 mA < Iout < 24 mA
1.6 V < Vout < 5 V
-4 mA < Iout < -24 mA
Open Collector:
Vout


Vcc (< 2V)
Vcc (> 2V)
0 V – 5 V
-4 mA < Iout < -24 mA
215 < Rpullup < 1 k
215 < Rpullup < 10 k
深圳德标仪器 135-1095-0799