74AHCT02D 查看數據表（PDF） - Philips Electronics
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74AHCT02D Datasheet PDF : 16 Pages
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Philips Semiconductors
Quad 2-input NOR gate
Product specification
74AHC02; 74AHCT02
AC CHARACTERISTICS
Type 74AHC02
GND = 0 V; tr = tf ≤ 3.0 ns.
SYMBOL PARAMETER
TEST CONDITIONS
WAVEFORMS CL
Tamb (°C)
25
−40 to +85 −40 to +125 UNIT
MIN. TYP. MAX. MIN. MAX. MIN. MAX.
VCC = 3.0 to 3.6 V; note 1
tPHL/tPLH propagation delay
nA, nB to nY
see Figs 5 and 6
15 pF −
50 pF −
3.9 7.9 1.0 9.5 1.0 10.0 ns
5.5 11.4 1.0 13 1.0 14.5 ns
VCC = 4.5 to 5.5 V; note 2
tPHL/tPLH propagation delay
nA, nB to nY
see Figs 5 and 6
15 pF −
50 pF −
2.9 5.5 1.0 6.5 1.0 7.0 ns
4.2 7.5 1.0 8.5 1.0 9.5 ns
Notes
1. Typical values at VCC = 3.3 V.
2. Typical values at VCC = 5.0 V.
Type 74AHCT02
GND = 0 V; tr = tf ≤ 3.0 ns.
SYMBOL PARAMETER
TEST CONDITIONS
WAVEFORMS CL
Tamb (°C)
25
−40 to +85 −40 to +125 UNIT
MIN. TYP. MAX. MIN. MAX. MIN. MAX.
VCC = 4.5 to 5.5 V; note 1
tPHL/tPLH propagation delay
nA, nB to nY
see Figs 5 and 6
15 pF −
50 pF −
3.8 5.5 1.0 6.5 1.0 7.0 ns
5.1 7.5 1.0 8.5 1.0 9.5 ns
Note
1. Typical values at VCC = 5.0 V.
1999 Sep 23
7
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