74AHC541 データシートの表示（PDF） - Philips Electronics
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74AHC541 Datasheet PDF : 16 Pages
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Philips Semiconductors
Octal buffer/line driver; 3-state
Product specification
74AHC541; 74AHCT541
AC CHARACTERISTICS
Type 74AHC541
Ground = 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
tPZL/tPZH
tPLZ/tPHZ
tPHL/tPLH
tPZL/tPZH
tPLZ/tPHZ
propagation delay see Figs 4 and 6 15 pF −
An to Yn
propagation delay see Figs 5 and 6
−
OEn to Yn
propagation delay
−
OEn to Yn
propagation delay see Figs 4 and 6 50 pF −
An to Yn
propagation delay see Figs 5 and 6
−
OEn to Yn
propagation delay
−
OEn to Yn
VCC = 4.5 to 5.5 V; note 2
tPHL/tPLH
tPZL/tPZH
tPLZ/tPHZ
tPHL/tPLH
tPZL/tPZH
tPLZ/tPHZ
propagation delay see Figs 4 and 6 15 pF −
An to Yn
propagation delay see Figs 5 and 6
−
OEn to Yn
propagation delay
−
OEn to Yn
propagation delay see Figs 4 and 6 50 pF −
An to Yn
propagation delay see Figs 5 and 6
−
OEn to Yn
propagation delay
−
OEn to Yn
5.0 7.0 1.0 8.5 1.0 9.0 ns
5.5 10.5 1.0 11.0 1.0 13.5 ns
6.0 11.0 1.0 12.0 1.0 14.0 ns
7.0 10.5 1.0 12.0 1.0 13.5 ns
7.5 14.0 1.0 16.0 1.0 17.5 ns
9.5 15.4 1.0 17.5 1.0 19.5 ns
3.5 5.0 1.0 6.0 1.0 6.5 ns
3.5 7.2 1.0 8.5 1.0 9.0 ns
4.5 7.5 1.0 8.0 1.0 9.5 ns
5.0 7.0 1.0 8.0 1.0 9.0 ns
5.0 9.2 1.0 10.5 1.0 11.5 ns
6.5 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 Nov 24
8
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