SN74ALVC3631_07 Datasheet, PDF (24/29 Pages) Texas Instruments – SYNCHRONOUS FIRST-IN, FIRST-OUT MEMORIES

SN74ALVC3631, SN74ALVC3641, SN74ALVC3651
512 × 36, 1024 × 36, 2048 × 36
SYNCHRONOUS FIRST-IN, FIRST-OUT MEMORIES
SDMS025B – OCTOBER 1999 – REVISED JUNE 2000
PARAMETER MEASUREMENT INFORMATION
3.3 V
From Output
Under Test
510 Ω
330 Ω
30 pF
(see Note A)
LOAD CIRCUIT
Timing
Input
1.5 V
tsu
Data,
Enable
Input
1.5 V
th
1.5 V
VOLTAGE WAVEFORMS
SETUP AND HOLD TIMES
3V
GND
3V
GND
High-Level
Input
Low-Level
Input
1.5 V
1.5 V
tw
1.5 V
1.5 V
VOLTAGE WAVEFORMS
PULSE DURATIONS
3V
GND
3V
GND
Output
Enable
Low-Level
Output
High-Level
Output
1.5 V
tPLZ
tPHZ
3V
1.5 V
GND
tPZL
≈3 V
1.5 V
VOL
tPZH
VOH
1.5 V
≈0 V
VOLTAGE WAVEFORMS
ENABLE AND DISABLE TIMES
Input
tpd
In-Phase
Output
1.5 V
1.5 V
3V
1.5 V
GND
tpd
VOH
1.5 V
VOL
VOLTAGE WAVEFORMS
PROPAGATION DELAY TIMES
NOTES: A. Includes probe and jig capacitance
B. tPZL and tPZH are the same as ten.
C. tPLZ and tPHZ are the same as tdis.
Figure 16. Load Circuit and Voltage Waveforms
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