74AHCT126D 查看數據表（PDF） - Philips Electronics
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74AHCT126D Datasheet PDF : 16 Pages
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Philips Semiconductors
Quad buffer/line driver; 3-state
Product specification
74AHC126; 74AHCT126
AC CHARACTERISTICS
Type 74AHC126
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 see Figs 5 and 7 15 pF −
nA to nY
tPZH/tPZL propagation delay see Figs 6 and 7
−
nOE to nY
tPHZ/tPLZ propagation delay
−
nOE to nY
tPHL/tPLH propagation delay see Figs 5 and 7 50 pF −
nA to nY
tPZH/tPZL propagation delay see Figs 6 and 7
−
nOE to nY
tPHZ/tPLZ propagation delay
−
nOE to nY
4.7 8.0 1.0 9.5 1.0 10.0 ns
5.3 8.0 1.0 9.5 1.0 10.0 ns
6.6 9.7 1.0 11.5 1.0 12.5 ns
6.7 11.5 1.0 13.0 1.0 14.5 ns
7.6 11.5 1.0 13.0 1.0 14.5 ns
9.4 13.2 1.0 15.0 1.0 16.5 ns
VCC = 4.5 to 5.5 V; note 2
tPHL/tPLH propagation delay see Figs 5 and 7 15 pF −
nA to nY
tPZH/tPZL propagation delay see Figs 6 and 7
−
nOE to nY
tPHZ/tPLZ propagation delay
−
nOE to nY
tPHL/tPLH propagation delay see Figs 5 and 7 50 pF −
nA to nY
tPZH/tPZL propagation delay see Figs 6 and 7
−
nOE to nY
tPHZ/tPLZ propagation delay
−
nOE to nY
3.3 5.5 1.0 6.5 1.0 7.0 ns
3.6 5.3 1.0 6.1 1.0 7.0 ns
4.7 6.8 1.0 8.0 1.0 8.5 ns
4.7 7.5 1.0 8.5 1.0 9.5 ns
5.1 7.6 1.0 8.7 1.0 9.5 ns
6.7 8.8 1.0 10.0 1.0 11.0 ns
Notes
1. Typical values at VCC = 3.3 V.
2. Typical values at VCC = 5.0 V.
1999 Sep 29
7
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