Philips Semiconductors Product data sheet
74ALVT165432.5 V/3.3 V 16-bit registered transceiver (3-State)
2004 Sep 14
9
AC CHARACTERISTICS (2.5 V ± 0.2 V RANGE)
GND = 0 V; t
R
= t
F
= 2.5 ns; C
L
= 50 pF; R
L
= 500 Ω; T
amb
= –40 °C to +85 °C.
LIMITS
SYMBOL PARAMETER WAVEFORM V
CC
= 2.5 V ± 0.2 V UNIT
MIN TYP
1
MAX
t
PLH
t
PHL
Propagation delay
nAx to nBx or nBx to nAx
2
1.0
1.0
1.8
2.7
5.1
4.5
ns
t
PLH
t
PHL
Propagation delay
nLEBA to nAx, nLEAB to nBx
1
2
1.5
1.5
3.9
3.6
6.4
5.9
ns
t
PZH
t
PZL
Output enable time
nOEBA to nAx, nOEAB to nBx
4
5
1.5
1.5
4.0
2.7
6.5
4.6
ns
t
PHZ
t
PLZ
Output disable time
nOEBA to nAx, nOEAB to nBx
4
5
1.5
1.5
3.7
2.6
5.6
4.0
ns
t
PZH
t
PZL
Output enable time
nEBA to nAx, nEAB to nBx
4
5
1.5
1.5
4.2
2.8
7.0
5.0
ns
t
PHZ
t
PLZ
Output disable time
nEBA to nAx, nEAB to nBx
4
5
1.5
1.5
3.6
2.4
5.6
3.9
ns
NOTE:
1. All typical values are at V
CC
= 2.5 V and T
amb
= 25 °C.
AC SETUP REQUIREMENTS (2.5 V ± 0.2 V RANGE)
GND = 0 V; t
R
= t
F
= 2.5 ns; C
L
= 50 pF; R
L
= 500 Ω; T
amb
= –40 °C to +85 °C.
LIMITS
SYMBOL PARAMETER WAVEFORM
V
CC
= 2.5 V ± 0.2 V
UNIT
MIN TYP
t
s
(H)
t
s
(L)
Setup time
nAx to nLEAB, nBx to nLEBA
3
0.5
1.0
–0.2
–0.5
ns
t
h
(H)
t
h
(L)
Hold time
nAx to nLEAB, nBx to nLEBA
3
1.0
1.0
0.2
–0.2
ns
t
s
(H)
t
s
(L)
Setup time
nAx to nEAB, nBx to nEBA
3
0.5
1.5
–0.3
–0.6
ns
t
h
(H)
t
h
(L)
Hold time
nAx to nEAB, nBx to nEBA
3
1.2
1.5
0
0.2
ns
t
W
(L) Latch enable pulse width, LOW 3 1.5 – ns
