SN74ALVCH32973 Datasheet, PDF (7/13 Pages) Texas Instruments – 16-BIT BUS TRANSCEIVER AND TRANSPARENT D-TYPE LATCH WITH EIGHT INDEPENDENT BUFFERS

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SN74ALVCH32973
16-BIT BUS TRANSCEIVER AND TRANSPARENT D-TYPE LATCH
WITH EIGHT INDEPENDENT BUFFERS
SCES436C – APRIL 2003 – REVISED SEPTEMBER 2004
TIMING REQUIREMENTS
over recommended operating free-air temperature range (unless otherwise noted) (see Figure 1)
t_w
Pulse duration, LE high
t_su
Setup time, data before LE↓
t_h
Hold time, data after LE↓
V_CC = 1.8 V
MIN MAX
2
0.9
0.9
V_CC = 2.5 V
± 0.2 V
MIN MAX
2
0.9
0.9
V_CC = 3.3 V
± 0.3 V
MIN MAX
2
0.9
0.9
UNIT
ns
ns
ns
SWITCHING CHARACTERISTICS
over recommended operating free-air temperature range (unless otherwise noted) (see Figure 1)
PARAMETER
t_pd
t_en
t_dis
FROM
(INPUT)
D
A
LE
A or B
LOE
TOE
DIR
LOE
TOE
DIR
TO
(OUTPUT)
Y
Q
B or A
Q
A or B
Q
A or B
V_CC = 1.8 V
TYP
2.2
2.2
2.8
2.2
2.9
3
3.4
2.8
3.2
3.4
V_CC = 2.5 V
± 0.2 V
MIN MAX
0.5
3.2
0.5
3.2
0.5
3.3
0.5
3.2
0.7
4.9
0.7
4.6
0.7
4.9
0.5
4.3
0.5
4.3
0.5
4.9
V_CC = 3.3 V
± 0.3 V
MIN MAX
0.5
3
0.5
3
0.5
3
0.5
3
0.7
4.7
0.7
4.4
0.7
4.7
0.5
4.1
0.5
4.1
0.5
4.7
UNIT
ns
ns
ns
7