Datasheet

SN54ALVTH162244, SN74ALVTH162244
2.5-V/3.3-V 16-BIT BUFFERS/DRIVERS
WITH 3-STATE OUTPUTS
SCES074E – JUNE 1996 - REVISED JANUARY 1999
7
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
PARAMETER MEASUREMENT INFORMATION
V
CC
= 2.5 V ± 0.2 V
V
CC
/2
V
CC
/2
V
CC
/2V
CC
/2
V
CC
/2V
CC
/2
V
CC
/2
V
CC
/2
V
OH
V
OL
t
h
t
su
From Output
Under Test
C
L
= 30 pF
(see Note A)
LOAD CIRCUIT
S1
Open
GND
500 Ω
500 Ω
Output
Control
(low-level
enabling)
Output
Waveform 1
S1 at 2 × V
CC
(see Note B)
Output
Waveform 2
S1 at GND
(see Note B)
t
PZL
t
PZH
t
PLZ
t
PHZ
0 V
V
OL
+ 0.15 V
V
OH
– 0.15 V
0 V
V
CC
0 V
0 V
t
w
V
CC
V
CC
VOLTAGE WAVEFORMS
SETUP AND HOLD TIMES
VOLTAGE WAVEFORMS
PULSE DURATION
VOLTAGE WAVEFORMS
ENABLE AND DISABLE TIMES
Timing
Input
Data
Input
Input
t
PLH
/t
PHL
t
PLZ
/t
PZL
t
PHZ
/t
PZH
Open
2 × V
CC
GND
TEST S1
NOTES: A. C
L
includes probe and jig capacitance.
B. Waveform 1 is for an output with internal conditions such that the output is low except when disabled by the output control.
Waveform 2 is for an output with internal conditions such that the output is high except when disabled by the output control.
C. All input pulses are supplied by generators having the following characteristics: PRR ≤ 10 MHz, Z
O
= 50 Ω, t
r
≤ 2 ns, t
f
≤ 2 ns.
D. The outputs are measured one at a time with one transition per measurement.
0 V
V
CC
V
CC
/2
t
PHL
V
CC
/2 V
CC
/2
V
CC
0 V
V
OH
V
OL
Input
Output
VOLTAGE WAVEFORMS
PROPAGATION DELAY TIMES
V
CC
/2 V
CC
/2
t
PLH
2 × V
CC
V
CC
Figure 1. Load Circuit and Voltage Waveforms