1999 Nov 23 9
Philips Semiconductors Product specification
16-bit D-type registered transceiver; 3-state 74ALVCH16543
AC CHARACTERISTICS FOR V
CC
= 2.3 TO 2.7 V
Ground = 0 V; t
r
=t
f
≤2.0 ns; C
L
=30pF.
Note
1. All typical values are measured at T
amb
=25°C and V
CC
= 2.5 V.
SYMBOL PARAMETER
TEST CONDITIONS T
amb
= −40 TO +85 °C
UNIT
WAVEFORMS V
CC
(V) MIN. TYP.
(1)
MAX.
t
PHL
/t
PLH
propagation delay
nA
n
,nB
n
to nB
n
,nA
n
see Figs 6 and 10 2.3 to 2.7 1.0 3.4 5.1 ns
propagation delay
n
LE
AB
,nLE
BA
to nB
n
,nA
n
see Figs 7 and 10 2.3 to 2.7 1.0 3.3 6.5 ns
t
PZH
/t
PZL
3-state output enable time
nOE
BA
,nOE
AB
to nA
n
, nB
n
see Figs 8 and 10 2.3 to 2.7 1.0 3.3 6.8 ns
t
PHZ
/t
PLZ
3-state output disable time
nOE
BA
,nOE
AB
to nA
n
, nB
n
see Figs 8 and 10 2.3 to 2.7 1.0 2.9 5.7 ns
t
PZH
/t
PZL
3-state output enable time
nE
BA
,nE
AB
to nA
n
, nB
n
see Figs 8 and 10 2.3 to 2.7 1.0 3.3 7.2 ns
t
PHZ
/t
PLZ
3-state output disable time
nE
BA
,nE
AB
to nA
n
, nB
n
see Figs 8 and 10 2.3 to 2.7 1.3 3.3 6.1 ns
t
W
nLE
XX
pulse width LOW see Figs 7 and 10 2.3 to 2.7 3.3 1.2 − ns
t
su
set-up time
nA
n
,nB
n
to nLE
XX
,nE
XX
see Figs 9 and 10 2.3 to 2.7 1.2 0.2 − ns
t
h
hold time
nA
n
,nB
n
to nLE
XX
,nE
XX
see Figs 9 and 10 2.3 to 2.7 1.2 0.2 − ns
