參數(shù)資料
型號(hào): 935032380602
廠商: NXP SEMICONDUCTORS
元件分類(lèi): 門(mén)電路
英文描述: F/FAST SERIES, QUAD 2-INPUT NAND GATE, PDIP14
封裝: 0.300 INCH, PLASTIC, SOT-27-1, DIP-14
文件頁(yè)數(shù): 5/8頁(yè)
文件大?。?/td> 70K
代理商: 935032380602
Philips Semiconductors
Product specification
74F38
Quad 2-input NAND buffer (open collector)
October 4, 1990
5
TEST CIRCUIT AND WAVEFORM
tw
90%
VM
10%
90%
VM
10%
90%
VM
10%
90%
VM
10%
NEGATIVE
PULSE
POSITIVE
PULSE
tw
AMP (V)
0V
tTHL (tf )
INPUT PULSE REQUIREMENTS
rep. rate
tw
tTLH
tTHL
1MHz
500ns
2.5ns
Input Pulse Definition
VCC
family
74F
D.U.T.
PULSE
GENERATOR
RL
CL
RT
VIN
VOUT
Test Circuit for Open Collector Outputs
DEFINITIONS:
RL = Load resistor;
see AC electrical characteristics for value.
CL = Load capacitance includes jig and probe capacitance;
see AC electrical characteristics for value.
RT = Termination resistance should be equal to ZOUT of
pulse generators.
tTHL (tf )
tTLH (tr )
AMP (V)
amplitude
3.0V
1.5V
VM
RL
7.0V
SF00027
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