74LVC02 데이터 시트보기 (PDF) - Philips Electronics
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74LVC02 Datasheet PDF : 10 Pages
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Philips Semiconductors
Quad 2-input NOR gate
Product specification
74LVC02A
AC CHARACTERISTICS
GND = 0 V; tr = tf v 2.5 ns; CL = 50 pF
SYMBOL
PARAMETER
WAVEFORM
tPHL/tPLH
Propagation delay
nA, nB to nY
Figures 1, 2
NOTE:
1. These typical values are at VCC = 3.3V and Tamb = 25°C.
VCC = 3.3V ±0.3V
MIN TYP1 MAX
1.5
2.8
4.6
LIMITS
VCC = 2.7V
MIN TYP1 MAX
1.5
3.2
5.6
VCC = 1.2V
TYP
11
UNIT
ns
AC WAVEFORMS
VM = 1.5 V at VCC w 2.7 V
VM = 0.5 S VCC at VCC < 2.7 V
VOL and VOH are the typical output voltage drop that occur with the
output load.
VI
nA, nB, INPUT
VM
TEST CIRCUIT
PULSE
VI
GENERATOR
VCC
D.U.T.
RT
VO
CL 50pF
S1
500Ω
2 < VCC
Open
GND
500Ω
GND
VOH
tPHL
tPLH
nY OUTPUT
VM
VOL
SV00392
Waveform 1. Input (nA, nB) to output (nY) propagation delays.
VCC
t 2.7V
2.7V – 3.6V
VI
VCC
2.7V
Test
tPLH/tPHL
S1
Open
SY00077
Waveform 2. Load circuitry for switching times.
1998 Apr 28
5
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