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参数资料
| 型号： | SNJ54ALS996W |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 总线收发器 |
| 英文描述： | ALS SERIES, 8-BIT DRIVER, CONFIGURABLE OUTPUT, CDFP24 |
| 封装： | CERAMIC, DFP-24 |
| 文件页数： | 16/18页 |
| 文件大小： | 545K |
| 代理商： | SNJ54ALS996W |
SN54ALS996, SN74ALS996
8BIT DTYPE EDGETRIGGERED READBACK LATCHES
SDAS098B OCTOBER 1984 REVISED JANUARY 1995
27
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
POST OFFICE BOX 1443
HOUSTON, TEXAS 772511443
PARAMETER MEASUREMENT INFORMATION
LOAD CIRCUIT FOR Q OUTPUTS
From Output
Under Test
Test
Point
500
S1
CL
(see Note A)
7 V
500
LOAD CIRCUIT FOR D OUTPUTS
From Output
Under Test
Test
Point
1 k
S1
CL
(see Note A)
7 V
1 k
1.3 V
3.5 V
0.3 V
th
tsu
VOLTAGE WAVEFORMS
SETUP AND HOLD TIMES
Timing
Input
Data
Input
1.3 V
3.5 V
0.3 V
High-Level
Pulse
Low-Level
Pulse
tw
VOLTAGE WAVEFORMS
PULSE DURATIONS
1.3 V
tPHZ
tPLZ
0.3 V
tPZL
tPZH
1.3 V
3.5 V
0.3 V
Output
Control
(low-level
enabling)
Waveform 1
S1 Closed
(see Note C)
Waveform 2
S1 Open
(see Note C)
[0 V
VOH
VOL
[3.5 V
0.3 V
VOLTAGE WAVEFORMS
ENABLE AND DISABLE TIMES, 3-STATE OUTPUTS
tPHL
tPLH
tPHL
Input
Out-of-Phase
Output
(see Note B)
1.3 V
3.5 V
0.3 V
VOL
VOH
VOL
In-Phase
Output
VOLTAGE WAVEFORMS
PROPAGATION DELAY TIMES
NOTES: A. CL includes probe and jig capacitance.
B. When measuring propagation delay times of 3-state outputs, switch S1 is open.
C. 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.
D. All input pulses have the following characteristics: PRR
≤ 1 MHz, tr = tf = 2 ns, duty cycle = 50%.
Figure 1. Load Circuits and Voltage Waveforms
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