Agilent Technologies 4294A Operating Manual page 355

Number of I/O bits
Pin Assignment
Figure 10-8 24-Bit I/O Port Pin Assignment
Table 10-1 24-Bit I/O Port Pin Assignment
Pin No.
10
11
12
13
14
15
16
17
18
19
20
Chapter 10
Specifications and Supplemental Performance Characteristics
Signal Name
1 GND
2 INPUT1
3 OUTPUT1
4 OUTPUT2
5 Output port A0
6 Output port A1
7 Output port A2
8 Output port A3
9 Output port A4
Output port A5
Output port A6
Output port A7
Output port B0
Output port B1
Output port B2
Output port B3
Output port B4
Output port B5
Output port B6
Output port B7
8 bits for input or output, 16s bit for output
(see Figure 10-8 and Table 10-1)
Signal Standard
0 V
TTL level, pulse input, pulse width: 1ms or above
TTL level, latch output
TTL level, latch output
TTL level, latch output
TTL level, latch output
TTL level, latch output
TTL level, latch output
TTL level, latch output
TTL level, latch output
TTL level, latch output
TTL level, latch output
TTL level, latch output
TTL level, latch output
TTL level, latch output
TTL level, latch output
TTL level, latch output
TTL level, latch output
TTL level, latch output
TTL level, latch output
Basic Characteristics
347