74AHC245PW Ver la hoja de datos (PDF) - Philips Electronics
Número de pieza
componentes Descripción
fabricante
74AHC245PW Datasheet PDF : 20 Pages
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Philips Semiconductors
Octal bus transceiver; 3-state
Product specification
74AHC245; 74AHCT245
Type 74AHCT245
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 see Figs 4 and 6 15 pF −
An to Bn; Bn to An
tPZL/tPZH propagation delay see Figs 5 and 6
−
OE to An;
OE to Bn; signal
name DIR
tPLZ/tPHZ propagation delay
−
OE to An;
OE to Bn; signal
name DIR
tPHL/tPLH propagation delay see Figs 4 and 6 50 pF −
An to Bn; Bn to An
tPZL/tPZH propagation delay see Figs 5 and 6
−
OE to An;
OE to Bn; signal
name DIR
tPLZ/tPHZ propagation delay
−
OE to An;
OE to Bn; signal
name DIR
3.5 7.7 1.0 8.5 1.0 10.0 ns
5.0 13.8 1.0 15.0 1.0 17.5 ns
5.0 14.4 1.0 15.5 1.0 18.0 ns
4.5 8.7 1.0 9.5 1.0 11.0 ns
6.0 14.8 1.0 16.0 1.0 18.5 ns
6.0 15.4 1.0 16.5 1.0 19.5 ns
Note
1. Typical values at VCC = 5.0 V.
1999 Sep 28
10
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