Agilent Technologies 4294A, Operating Manual

Page: 355 / 469

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