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参数资料
| 型号： | SN74ACT11620NT |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 总线收发器 |
| 英文描述： | ACT SERIES, 8-BIT TRANSCEIVER, INVERTED OUTPUT, PDIP24 |
| 封装： | 0.300 INCH, PLASTIC, DIP-24 |
| 文件页数： | 5/6页 |
| 文件大小： | 87K |
| 代理商： | SN74ACT11620NT |
74ACT11620
OCTAL BUS TRANSCEIVER
WITH 3-STATE OUTPUTS
SCAS060A – D2957, JULY 1987 – REVISED APRIL 1993
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
5
PARAMETER MEASUREMENT INFORMATION
From Output
Under Test
CL = 50 pF
(see Note A)
LOAD CIRCUIT
S1
2 X VCC
Open
GND
500
500
TEST
tPLH/tPHL
tPLZ/tPZL
tPHZ/tPZH
S1
OPEN
2 x VCC
GND
tPLH
tPHL
tPLH
VOH
VOL
1.5 V
3 V
0
50%
Input
(see Note C)
Out-of-Phase
Output
In-Phase
Output
Control
(Low-Level
Enabling)
Output
Waveform 1
S1 at 2 x VCC
(see Note B)
Output
Waveform 2
S1 at GND
(see Note B)
VOL
VOH
tPZL
tPZH
tPLZ
tPHZ
1.5 V
0
50%
20%
50%
80%
ENABLE AND DISABLE TIMES
VOLTAGE WAVEFORMS
3 V
50%
VOLTAGE WAVEFORMS
PROPAGATION DELAY TIMES
≈ VCC
≈ 0 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. All input pulses are supplied by generators having the following characteristics: PRR
≤ 10 MHz, ZO = 50 , 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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