Philips Semiconductors
Octal D-type transparent latch; 3-state
Product specification
74AHC373; 74AHCT373
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 7 and 11 15 pF −
4.0
Dn to Qn
propagation delay see Figs 8 and 11
− 4.3
LE to Qn
tPZH/tPZL propagation delay see Figs 9 and 11
OE to Qn
− 3.8
tPHZ/tPLZ propagation delay
OE to Qn
− 4.3
tPHL/tPLH propagation delay see Figs 7 and 11 50 pF −
5.3
Dn to Qn
propagation delay see Figs 8 and 11
− 5.6
LE to Qn
tPZH/tPZL propagation delay see Figs 9 and 11
OE to Qn
− 5.2
tPHZ/tPLZ propagation delay
OE to Qn
− 6.4
tW
clock pulse width see Figs 8 and 11
HIGH or LOW
5.0 −
tsu
set-up time
see Figs 10 and 11
Dn to CP
th
hold time
Dn to CP
4.0 −
1.0 −
7.2 1.0 8.5 1.0 9.0 ns
7.2 1.0 8.5 1.0 9.0 ns
8.1 1.0 9.5 1.0 10.5 ns
7.2 1.0 8.5 1.0 9.5 ns
9.2 1.0 10.5 1.0 11.5 ns
9.7 1.0 11.1 1.0 12.5 ns
10.1 1.0 11.5 1.0 13.0 ns
9.2 1.0 10.5 1.0 11.5 ns
−
5.0 −
5.0 −
ns
−
4.0 −
4.0 −
ns
−
1.0 −
1.0 −
ns
Notes
1. Typical values at VCC = 3.3 V.
2. Typical values at VCC = 5.0 V.
1999 Nov 23
10