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参数资料
| 型号： | SNJ54ALS374AFKR |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 总线收发器 |
| 英文描述： | ALS SERIES, 8-BIT DRIVER, TRUE OUTPUT, CQCC20 |
| 封装： | CERAMIC, LCC-20 |
| 文件页数： | 20/21页 |
| 文件大小： | 748K |
| 代理商： | SNJ54ALS374AFKR |
SN54ALS374A, SN54AS374, SN74ALS374A, SN74AS374
OCTAL D-TYPE EDGE-TRIGGERED FLIP-FLOPS
WITH 3-STATE OUTPUTS
SDAS167C – APRIL 1982 – REVISED NOVEMBER 1999
8
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
PARAMETER MEASUREMENT INFORMATION
SERIES 54ALS/74ALS AND 54AS/74AS DEVICES
tPHZ
tPLZ
tPHL
tPLH
tPZL
tPZH
tPLH
tPHL
LOAD CIRCUIT FOR
3-STATE OUTPUTS
From Output
Under Test
Test
Point
S1
CL = 50 pF
(see Note A)
7 V
3.5 V
0.3 V
th
tsu
VOLTAGE WAVEFORMS
SETUP AND HOLD TIMES
Timing
Input
Data
Input
3.5 V
0.3 V
High-Level
Pulse
Low-Level
Pulse
tw
VOLTAGE WAVEFORMS
PULSE DURATIONS
Input
Out-of-Phase
Output
(see Note C)
3.5 V
0.3 V
VOL
VOH
VOL
Output
Control
Waveform 1
S1 Closed
(see Note B)
Waveform 2
S1 Open
(see Note B)
≈0 V
VOH
VOL
≈3.5 V
In-Phase
Output
VOLTAGE WAVEFORMS
PROPAGATION DELAY TIMES
VOLTAGE WAVEFORMS
ENABLE AND DISABLE TIMES, 3-STATE OUTPUTS
VCC
Test
Point
From Output
Under Test
CL = 50 pF
(see Note A)
LOAD CIRCUIT FOR
OPEN-COLLECTOR OUTPUTS
LOAD CIRCUIT FOR
BI-STATE TOTEM-POLE OUTPUTS
From Output
Under Test
Test
Point
CL = 50 pF
(see Note A)
500
500
500
500
VOL + 0.3 V
VOH – 0.3 V
1.3 V
NOTES: A. CL 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. When measuring propagation delay items of 3-state outputs, switch S1 is open.
D. All input pulses have the following characteristics: PRR
≤ 1 MHz, tr = tf = 2 ns, duty cycle = 50%.
E. The outputs are measured one at a time with one transition per measurement.
Figure 3. Load Circuits and Voltage Waveforms
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相关代理商/技术参数 |
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|---|---|
| SNJ54ALS374AJ | 制造商:Texas Instruments 功能描述:Flip Flop D-Type Bus Interface Pos-Edge 3-ST 1-Element 20-Pin CDIP Tube 制造商:Texas Instruments 功能描述:8302002RA, OCTAL EDGE-TRIG F-F W/3-ST |
| SNJ54ALS374AW | 制造商:Texas Instruments 功能描述: |
| SNJ54ALS374FK | 制造商:Rochester Electronics LLC 功能描述:OCTAL D-TYPE FLIP-FLOPS, DESC 83020022A - Bulk 制造商:Texas Instruments 功能描述: |
| SNJ54ALS374J | 制造商:Rochester Electronics LLC 功能描述:OCTAL D-TYPE FLIP-FLOPS, DESC 8302002RA - Bulk |
| SNJ54ALS37AJ | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
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