參數(shù)資料
型號(hào): SN74AC574PWE4
廠商: TEXAS INSTRUMENTS INC
元件分類(lèi): 總線(xiàn)收發(fā)器
英文描述: AC SERIES, 8-BIT DRIVER, TRUE OUTPUT, PDSO20
封裝: GREEN, PLASTIC, TSSOP-20
文件頁(yè)數(shù): 15/19頁(yè)
文件大?。?/td> 756K
代理商: SN74AC574PWE4
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
相關(guān)PDF資料
PDF描述
SNJ54AC574FK AC SERIES, 8-BIT DRIVER, TRUE OUTPUT, CQCC20
SN74AC574NSRG4 AC SERIES, 8-BIT DRIVER, TRUE OUTPUT, PDSO20
SN74AC74NSR AC SERIES, DUAL POSITIVE EDGE TRIGGERED D FLIP-FLOP, COMPLEMENTARY OUTPUT, PDSO14
SN74AC74D AC SERIES, DUAL POSITIVE EDGE TRIGGERED D FLIP-FLOP, COMPLEMENTARY OUTPUT, PDSO14
SN74AC74DR AC SERIES, DUAL POSITIVE EDGE TRIGGERED D FLIP-FLOP, COMPLEMENTARY OUTPUT, PDSO14
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