Datasheet
SN54AC573, SN74AC573
OCTAL D-TYPE TRANSPARENT LATCHES
WITH 3-STATE OUTPUTS
SCAS542D - OCTOBER 1995 − REVISED OCTOBER 2003
4
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
timing requirements over recommended operating free-air temperature range, V
CC
= 3.3 V ± 0.3 V
(unless otherwise noted) (see Figure 1)
T
A
= 25°C SN54AC573 SN74AC573
UNIT
MIN MAX MIN MAX MIN MAX
UNIT
t
w
Pulse duration, LE high 6 8 7 ns
t
su
Setup time, data before LE↓ 3.5 5 4 ns
t
h
Hold time, data after LE↓ 2 3 2 ns
timing requirements over recommended operating free-air temperature range, V
CC
= 5 V ± 0.5 V
(unless otherwise noted) (see Figure 1)
T
A
= 25°C SN54AC573 SN74AC573
UNIT
MIN MAX MIN MAX MIN MAX
UNIT
t
w
Pulse duration, LE high 4 6 5 ns
t
su
Setup time, data before LE↓ 3 4.5 3.5 ns
t
h
Hold time, data after LE↓ 2 3 2 ns
switching characteristics over recommended operating free-air temperature range,
V
CC
= 3 V ± 0.3 V (unless otherwise noted) (see Figure 1)
PARAMETER
FROM TO
T
A
= 25°C SN54AC573 SN74AC573
UNIT
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
MIN MAX MIN MAX MIN MAX
UNIT
t
PLH
D
Q
2.5 13 1.5 16.5 2 15
ns
t
PHL
D Q
2.5 12 1.5 15.5 2 14
ns
t
PLH
LE
Q
2.5 13 1.5 16.5 2 15
ns
t
PHL
LE Q
2.5 12 1.5 15.5 2 14
ns
t
PZH
OE
Q
2.5 11 1.5 13.5 2 12
ns
t
PZL
OE
Q
2.5 11 1.5 14 2 12.5
ns
t
PHZ
OE
Q
2.5 12.5 1.5 15 2 13.5
ns
t
PLZ
OE
Q
2.5 9.5 1.5 12 2 10.5
ns
switching characteristics over recommended operating free-air temperature range,
V
CC
= 5 V ± 0.5 V (unless otherwise noted) (see Figure 1)
PARAMETER
FROM TO
T
A
= 25°C SN54AC573 SN74AC573
UNIT
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
MIN MAX MIN MAX MIN MAX
UNIT
t
PLH
D
Q
2.5 10 1.5 13 2 11.5
ns
t
PHL
D Q
2.5 9.5 1.5 12.5 2 11
ns
t
PLH
LE
Q
2.5 9.5 1.5 12.5 2 11
ns
t
PHL
LE Q
2.5 8.5 1.5 11.5 2 10
ns
t
PZH
OE
Q
2.5 9 1.5 11.5 2 10
ns
t
PZL
OE
Q
2.5 8.5 1.5 11 2 9.5
ns
t
PHZ
OE
Q
2.5 11 1.5 13.5 2 12
ns
t
PLZ
OE
Q
2.5 8 1.5 10.5 2 9
ns
operating characteristics, V
CC
= 5 V, T
A
= 25°C
PARAMETER TEST CONDITIONS TYP UNIT
C
pd
Power dissipation capacitance C
L
= 50 pF, f = 1 MHz 25 pF
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