Datasheet

SN75161B, SN75162B
OCTAL GENERAL-PURPOSE INTERFACE BUS TRANSCEIVERS
SLLS005B – OCTOBER 1980 – REVISED MAY 1995
10
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
PARAMETER MEASUREMENT INFORMATION
NOTES: A. C
L
includes probe and jig capacitance.
B. The input pulse is supplied by a generator having the following characteristics: PRR ≤ 1 MHz, 50% duty cycle, t
r
≤ 6 ns,
t
f
≤ 6 ns, Z
O
= 50 Ω.
S1 Open
t
PHZ
1.5 V
3 V
0 V
S1 Closed
1 V
3.5 V
V
OL
Input
Control
See Note B
1.5 V
t
PZH
S1
VOLTAGE WAVEFORMS
2 V
t
PZL
90%
0.5 V
t
PLZ
V
OH
0 V
Bus
Output
Bus
Output
5 V
Test Point
C
L
= 15 pF
(see Note A)
200 Ω
480 Ω
LOAD CIRCUIT
From (Bus)
Output Under
Test
Figure 3. Bus Enable and Disable Times Load Circuit and Voltage Waveforms