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SN74AHCT32QDRQ1 参数 Datasheet PDF下载

SN74AHCT32QDRQ1图片预览
型号: SN74AHCT32QDRQ1
PDF下载: 下载PDF文件 查看货源
内容描述: 四路2输入正或门 [QUADRUPLE 2-INPUT POSITIVE-OR GATE]
分类和应用: 栅极触发器逻辑集成电路光电二极管输入元件
文件页数/大小: 10 页 / 262 K
品牌: TI [ TEXAS INSTRUMENTS ]
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SN74AHCT32-Q1  
QUADRUPLE 2-INPUT POSITIVE-OR GATE  
SCLS528A − AUGUST 2003 − REVISED APRIL 2008  
PARAMETER MEASUREMENT INFORMATION  
V
CC  
S1  
Open  
GND  
R = 1 kΩ  
L
TEST  
/t  
S1  
From Output  
Under Test  
Test  
Point  
From Output  
Under Test  
t
t
Open  
PLH PHL  
t
C
C
L
/t  
V
CC  
L
PLZ PZL  
(see Note A)  
(see Note A)  
/t  
GND  
PHZ PZH  
Open Drain  
V
CC  
LOAD CIRCUIT FOR  
LOAD CIRCUIT FOR  
TOTEM-POLE OUTPUTS  
3-STATE AND OPEN-DRAIN OUTPUTS  
3 V  
0 V  
1.5 V  
Timing Input  
t
w
t
h
3 V  
t
su  
3 V  
0 V  
1.5 V  
1.5 V  
Input  
Input  
1.5 V  
1.5 V  
Data Input  
0 V  
VOLTAGE WAVEFORMS  
PULSE DURATION  
VOLTAGE WAVEFORMS  
SETUP AND HOLD TIMES  
3 V  
0 V  
3 V  
0 V  
Output  
Control  
1.5 V  
1.5 V  
1.5 V  
1.5 V  
t
t
t
t
t
PZL  
PLZ  
PLH  
PHL  
Output  
Waveform 1  
V
V  
OH  
CC  
In-Phase  
Output  
50% V  
50% V  
50% V  
CC  
50% V  
CC  
CC  
S1 at V  
CC  
V
V
+ 0.3 V  
OL  
V
OL  
V
OL  
(see Note B)  
t
t
t
PHL  
PLH  
PZH  
PHZ  
Output  
Waveform 2  
S1 at GND  
V
OH  
V
OH  
Out-of-Phase  
Output  
− 0.3 V  
OH  
50% V  
50% V  
CC  
CC  
CC  
0 V  
V
OL  
(see Note B)  
VOLTAGE WAVEFORMS  
PROPAGATION DELAY TIMES  
INVERTING AND NONINVERTING OUTPUTS  
VOLTAGE WAVEFORMS  
ENABLE AND DISABLE TIMES  
LOW- AND HIGH-LEVEL ENABLING  
NOTES: A. C includes probe and jig capacitance.  
L
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, Z = 50 , t 3 ns, t 3 ns.  
O
r
f
D. The outputs are measured one at a time with one input transition per measurement.  
Figure 1. Load Circuit and Voltage Waveforms  
4
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