74AHC573 데이터 시트보기 (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
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 2
tPHL/tPLH propagation delay see Figs 6 and 9
Dn to Qn
15 pF −
3.9 6.8 1.0 8.0 1.0 8.5 ns
propagation delay see Figs 7 and 9
− 4.2 7.7 1.0 9.0 1.0 10.0 ns
LE to Qn
tPZH/tPZL propagation delay see Figs 8 and 9
OE to Qn
− 4.4 7.7 1.0 9.0 1.0 10.0 ns
tPHZ/tPLZ propagation delay
OE to Qn
− 4.6 7.7 1.0 9.0 1.0 10.0 ns
tPHL/tPLH propagation delay see Figs 6 and 9
Dn to Qn
50 pF −
5.5 8.8 1.0 10.0 1.0 11.0 ns
propagation delay see Figs 7 and 9
− 5.9 9.7 1.0 11.0 1.0 12.5 ns
LE to Qn
tPZH/tPZL propagation delay see Figs 8 and 9
OE to Qn
− 6.3 9.7 1.0 11.0 1.0 12.5 ns
tPHZ/tPLZ propagation delay
OE to Qn
− 7.4 9.7 1.0 11.0 1.0 12.5 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
Notes
1. Typical values at VCC = 3.3 V.
2. Typical values at VCC = 5.0 V.
1999 Sep 27
10
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