Datasheet

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TIMING REQUIREMENTS
SWITCHING CHARACTERISTICS
SN74ALVCH32973
16-BIT BUS TRANSCEIVER AND TRANSPARENT D-TYPE LATCH
WITH EIGHT INDEPENDENT BUFFERS
SCES436C – APRIL 2003 – REVISED SEPTEMBER 2004
over recommended operating free-air temperature range (unless otherwise noted) (see Figure 1 )
V
CC
= 2.5 V V
CC
= 3.3 V
V
CC
= 1.8 V
± 0.2 V ± 0.3 V
UNIT
MIN MAX MIN MAX MIN MAX
t
w
Pulse duration, LE high 2 2 2 ns
t
su
Setup time, data before LE ↓ 0.9 0.9 0.9 ns
t
h
Hold time, data after LE ↓ 0.9 0.9 0.9 ns
over recommended operating free-air temperature range (unless otherwise noted) (see Figure 1 )
V
CC
= 2.5 V V
CC
= 3.3 V
V
CC
= 1.8 V
FROM TO
± 0.2 V ± 0.3 V
PARAMETER UNIT
(INPUT) (OUTPUT)
TYP MIN MAX MIN MAX
D Y 2.2 0.5 3.2 0.5 3
A 2.2 0.5 3.2 0.5 3
t
pd
Q ns
LE 2.8 0.5 3.3 0.5 3
A or B B or A 2.2 0.5 3.2 0.5 3
LOE Q 2.9 0.7 4.9 0.7 4.7
t
en
TOE 3 0.7 4.6 0.7 4.4 ns
A or B
DIR 3.4 0.7 4.9 0.7 4.7
LOE Q 2.8 0.5 4.3 0.5 4.1
t
dis
TOE 3.2 0.5 4.3 0.5 4.1 ns
A or B
DIR 3.4 0.5 4.9 0.5 4.7
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