54AC16620 Datasheet, PDF (5/7 Pages) Texas Instruments – 16-BIT BUS TRANSCEIVERS WITH 3-STATE OUTPUTS

54AC16620, 74AC16620
16-BIT BUS TRANSCEIVERS
WITH 3-STATE OUTPUTS
SCAS239A – JULY 1990 – REVISED APRIL 1996
switching characteristics over recommended operating free-air temperature range,
V_CC = 3.3 V ± 0.3 V (unless otherwise noted) (see Figure 1)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
TA = 25°C
54AC16620 74AC16620
MIN TYP MAX MIN MAX MIN MAX
tPLH
tPHL
tPZH
tPZL
tPHZ
tPLZ
tPZH
tPZL
tPHZ
tPLZ
A or B
OEBA
OEBA
OEAB
OEAB
B or A
A
A
B
B
2.7 6.1 8.7
3.9 7.9 10.6
3.2 7.1
10
4.5 11.1 13.5
5.3 7.4 9.5
4.6
7 9.2
3.1 6.7 9.5
4.4 9.6
13
5 7.1 9.3
4.4 6.8 8.9
2.7 9.7
3.9 11.7
3.2 11.2
4.5
15
5.3 10.2
4.6 9.8
3.1 10.7
4.4 14.5
5 9.8
4.4 9.4
2.7 9.7
3.9 11.7
3.2 11.2
4.5
15
5.3 10.2
4.6 9.8
3.1 10.7
4.4 14.5
5 9.8
4.4 9.4
UNIT
ns
ns
ns
ns
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
(INPUT)
TO
(OUTPUT)
TA = 25°C
54AC16620 74AC16620
MIN TYP MAX MIN MAX MIN MAX
tPLH
tPHL
tPZH
tPZL
tPHZ
tPLZ
tPZH
tPZL
tPHZ
tPLZ
A or B
OEBA
OEBA
OEAB
OEAB
B or A
A
A
B
B
2.1 3.9 6.1 2.1 6.8 2.1 6.8
3.1 4.9 7.3 3.1 8.2 3.1 8.2
2.2 4.3 6.8 2.2 7.6 2.2 7.6
3.3 5.5 8.4 3.3 9.4 3.3 9.4
4.9 6.6 8.6 4.9 9.2 4.9 9.2
4.1 5.8 7.8 4.1 8.3 4.1 8.3
2.2 4.2 6.5 2.2 7.3 2.2 7.3
3.4 5.4 8.1 3.4 9.1 3.4 9.1
4.6 6.4 8.5 4.6
9 4.6
9
4.1 5.6 7.6 4.1
8 4.1
8
UNIT
ns
ns
ns
ns
ns
operating characteristics, V_CC = 5 V, T_A = 25°C
PARAMETER
Cpd Power dissipation capacitance per transceiver
Outputs enabled
Outputs disabled
TEST CONDITIONS
CL = 50 pF, f = 1 MHz
TYP UNIT
49
pF
6
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