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| 型號： | SN74S8003 |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | Dual 2-Input Positive-Nand Gates(雙2輸入正與非門(三態(tài)輸出)) |
| 中文描述： | 雙路2輸入正和非門（雙2輸入正與非門（三態(tài)輸出）） |
| 文件頁數(shù)： | 3/4頁 |
| 文件大?。?/td> | 71K |
| 代理商： | SN74S8003 |
SN54S8003, SN74S8003
DUAL 2-INPUT POSITIVE-NAND GATES
SCAS429 – JANUARY 1991–REVISED OCTOBER 1992
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
POST OFFICE BOX 1443
HOUSTON, TEXAS
77251–1443
3
PARAMETER MEASUREMENT INFORMATION
1.5 V
1.5 V
High-Level
Pulse
Low-Level
Pulse
tw
VOLTAGE WAVEFORMS
PULSE DURATION
1.5 V
1.5 V
1.5 V
1.5 V
1.5 V
3 V
3 V
0 V
0 V
th
tsu
VOLTAGE WAVEFORMS
SETUP AND HOLD TIMES
Timing
Input
Data
Input
tPHL
tPLH
tPLH
tPHL
Input
(see Note B)
Out-of-Phase
Output
S1 and S2
Closed
1.5 V
1.5 V
1.5 V
1.5 V
1.5 V
1.5 V
3 V
0 V
VOL
VOH
VOH
VOL
In-Phase
Output
VOLTAGE WAVEFORMS
PROPAGATION DELAY TIMES
tPHZ
tPLZ
0.5 V
tPZL
tPZH
1.5 V
1.5 V
1.5 V
1.5 V
3 V
0 V
Output
Control
(low-level
enabling)
Waveform 1
S1 Closed
S2 Open
(see Note C)
Waveform 2
S1 Open
S2 Closed
(see Note C)
0 V
VOH
VOL
≈
1.5 V
0.5 V
VOLTAGE WAVEFORMS
ENABLE AND DISABLE TIMES, 3-STATE OUTPUTS
S1 and S2
Closed
S1 and S2
Closed
LOAD CIRCUIT FOR 3-STATE OUTPUTS
From Output
Under Test
All Diodes are 1N3064
or Equivalent
RL
S1
S2
1 k
Test Point
VCC
CL
(see Note A)
NOTES: A. CL includes probe and jig capacitance.
B. All input pulses are supplied by generators having the following characteristics: PRR
≤
1 MHz, Zo = 50
, tr
≤
2.5 ns, tf
≤
2.5 ns.
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. The outputs are measured one at a time with one transition per measurement.
Figure 1. Load Circuit and Voltage Waveforms
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