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参数资料
| 型号： | SNJ54AC574FK |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 总线收发器 |
| 英文描述： | AC SERIES, 8-BIT DRIVER, TRUE OUTPUT, CQCC20 |
| 封装： | CERAMIC, LCC-20 |
| 文件页数： | 15/19页 |
| 文件大小： | 756K |
| 代理商： | SNJ54AC574FK |
SN54AC574, SN74AC574
OCTAL D-TYPE EDGE-TRIGGERED FLIP-FLOPS
WITH 3-STATE OUTPUTS
SCAS541E OCTOBER 1995 REVISED OCTOBER 2003
5
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
PARAMETER MEASUREMENT INFORMATION
50% VCC
VCC
0 V
th
tsu
VOLTAGE WAVEFORMS
Data Input
tPLH
tPHL
tPLH
VOH
VOL
VCC
0 V
50% VCC
Input
Out-of-Phase
Output
In-Phase
Output
Timing Input
50% VCC
VOLTAGE WAVEFORMS
From Output
Under Test
CL = 50 pF
(see Note A)
LOAD CIRCUIT
S1
2
× VCC
500
Ω
500
Ω
Output
Control
(low-level
enabling)
Output
Waveform 1
S1 at 2
× VCC
(see Note B)
Output
Waveform 2
S1 at Open
(see Note B)
VOL
VOH
tPZL
tPZH
tPLZ
tPHZ
≈VCC
0 V
50%VCC
VOL + 0.3 V
50% VCC
≈0 V
Open
VOLTAGE WAVEFORMS
tPLH/tPHL
tPLZ/tPZL
tPHZ/tPZH
Open
2
× VCC
Open
TEST
S1
3 V
0 V
tw
VOLTAGE WAVEFORMS
Input
50% VCC
VOH 0.3 V
50% VCC
VCC
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. All input pulses are supplied by generators having the following characteristics: PRR
≤ 1 MHz, ZO = 50 Ω, tr ≤ 2.5 ns, tf ≤ 2.5 ns.
D. The outputs are measured one at a time with one input transition per measurement.
Figure 1. Load Circuit and Voltage Waveforms
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相关代理商/技术参数 |
参数描述 |
|---|---|
| SNJ54AC574J | 制造商:Texas Instruments 功能描述: |
| SNJ54AC574W | 制造商:TI 制造商全称:Texas Instruments 功能描述:OCTAL D-TYPE EDGE-TRIGGERED FLIP-FLOPS WITH 3-STATE OUTPUTS |
| SNJ54AC74FK | 制造商:Texas Instruments 功能描述: 制造商:Texas Instruments 功能描述:Flip Flop D-Type Pos-Edge 2-Element 20-Pin LCCC Tube |
| SNJ54AC74J | 制造商:Texas Instruments 功能描述:Flip Flop D-Type Pos-Edge 2-Element 14-Pin CDIP Tube |
| SNJ54AC74W | 制造商:Texas Instruments 功能描述: |
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