Datasheet

SN65ALS180, SN75ALS180
DIFFERENTIAL DRIVER AND RECEIVER PAIRS
SLLS052G – AUGUST 1987 – REVISED APRIL 2003
7
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
switching characteristics over recommended ranges of supply voltage and operating free-air
temperature
PARAMETER TEST CONDITIONS MIN TYP
†
MAX UNIT
t
PLH
Propagation delay time, low- to high-level output
V
ID
= –1.5 V to 1.5 V,
See Figure 7
C
L
= 15 pF,
9 14 19 ns
t
PHL
Propagation delay time, high- to low-level output
V
ID
= –1.5 V to 1.5 V,
See Figure 7
C
L
= 15 pF,
9 14 19 ns
Skew (|t
PHL
– t
PLH
|)
V
ID
= –1.5 V to 1.5 V,
See Figure 7
C
L
= 15 pF,
2 6 ns
t
PZH
Output enable time to high level C
L
= 15 pF, See Figure 8 7 14 ns
t
PZL
Output enable time to low level C
L
= 15 pF, See Figure 8 7 14 ns
t
PHZ
Output disable time from high level C
L
= 15 pF, See Figure 8 20 35 ns
t
PLZ
Output disable time from low level C
L
= 15 pF, See Figure 8 8 17 ns
†
All typical values are at V
CC
= 5 V, T
A
= 25°C.
PARAMETER MEASUREMENT INFORMATION
V
OC
R
L
2
V
OD2
R
L
2
Figure 1. Driver V
OD
and V
OC
V
OD3
V
test
375 Ω
60 Ω
375 Ω
Figure 2. Driver V
OD3