74AHC573 查看數據表（PDF） - Philips Electronics
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74AHC573 Datasheet PDF : 20 Pages
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Philips Semiconductors
Octal D-type transparent latch; 3-state
Product specification
74AHC573; 74AHCT573
74AHCT573
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 6 and 9
Dn to Qn
15 pF −
3.5 5.5 1
6.5 1
7.0 ns
propagation delay see Figs 7 and 9
− 3.9 6.0 1 7.0 1
7.5 ns
LE to Qn
tPZH/tPZL propagation delay see Figs 8 and 9
OE to Qn
− 4.1 6.5 1 7.5 1
8.5 ns
tPHZ/tPLZ propagation delay
OE to Qn
− 4.5 6.5 1 7.5 1
8.5 ns
tPHL/tPLH propagation delay see Figs 6 and 9
Dn to Qn
50 pF −
4.9 7.5 1
8.5 1
9.5 ns
propagation delay see Figs 7 and 9
− 5.5 8.5 1 9.5 1
11.0 ns
LE to Qn
tPZH/tPZL propagation delay see Figs 8 and 9
OE to Qn
− 5.9 8.5 1 10.0 1
11.0 ns
tPHZ/tPLZ propagation delay
OE to Qn
− 6.4 9.0 1 10.0 1
11.5 ns
tW
enable pulse width see Figs 7 and 9
HIGH
5.0 −
−
5.0 −
5.0 −
ns
tsu
set-up time
see Fig.9
Dn to LE
th
hold time
Dn to LE
3.5 −
−
3.5 −
3.5 −
ns
1.5 −
−
1.5 −
1.5 −
ns
Note
1. Typical values at VCC = 5.0 V.
1999 Sep 27
11
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