SN74BCT979 Datasheet, PDF (8/10 Pages) Texas Instruments – 9-BIT REGISTERED BTL TRANSCEIVER WITH PARITY GENERATOR/CHECKER

SN74BCT979
9ĆBIT REGISTERED BTL TRANSCEIVER
WITH PARITY GENERATOR/CHECKER
SCBS115A − OCTOBER 1990 − REVISED NOVEMBER 1993
switching characteristics over recommended ranges of supply voltage and operating free-air
temperature, C_L = 50 pF (unless otherwise noted) (see Note 3) (continued)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
VCC = 5 V,
TA = 25°C
MIN TYP MAX
MIN MAX UNIT
tPLH
LEAB
B
tPHL
tPLH
tPHL
LEAB
BPAR
(parity feed through)
tPLH
tPHL
LEAB
BPAR
(parity generated)
tPLH
tPHL
LEAB
ERRA
tPLH
LEBA
AO
tPHL
tPLH
tPHL
LEBA
APARO
(parity feed through)
tPLH
tPHL
LEBA
APARO
(parity generated)
tPLH
tPHL
LEBA
ERRB
tPLH
OEAB
B
tPHL
tPLH
tPHL
OEAB
BPAR
tPZH
OEBA
AO
tPZL
tPHZ
OEBA
AO
tPLZ
tPZH
tPZL
OEBA
APARO
tPHZ
tPLZ
OEBA
APARO
NOTE 3: Load circuits and waveforms are shown in Section 1.
1.6 7.6 9.5
2.7 8.1
10
2.3 7.3 9.2
4.6 9.3
11
4.7 10.7
13
6.2 11.5 13.4
3.3 8.6 10.7
4.7 9.8
12
1.3 6.5 8.5
1.4 5.9 7.6
1.7 5.9 7.7
1.9
6 7.8
3.5 9.3 11.5
3.1 8.2 10.3
3.4 8.7 10.8
4.6
9
11
1.5 5.5
7
4.9 10.4 12.1
1.4 5.4 6.9
4.8 10.6 12.5
1.4
6 7.8
6 10.7 12.5
2.4 6.7 8.6
1.2 4.7 6.3
1.7 6.1 7.8
1.4 5.1 6.7
2.7 6.8 8.6
1.2 4.7 6.2
1.6 11.6
ns
2.7 11.7
2.3 10.8
ns
4.6 13.3
4.7 16.2
ns
6.2
16
3.3 12.8
ns
4.7 13.7
1.3
10
ns
1.4 8.5
1.7 9.1
ns
1.9
9
3.5 14.1
ns
3.1 12.2
3.4 12.7
ns
4.6 12.5
1.5 7.9
ns
4.9 14.1
1.4 7.8
ns
4.8 14.9
1.4 9.2
ns
6 14.6
2.4 9.5
ns
1.2 7.1
1.7 9.3
ns
1.4 7.8
2.7 9.5
ns
1.2 7.1
8
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