SN54BCT652, SN74BCT652
OCTAL BUS TRANSCEIVERS AND REGISTERS
WITH 3-STATE OUTPUTS
SCBS038A – AUGUST 1989 – 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 2)
PARAMETER
fmax
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
tPZH
tPZL
tPHZ
tPLZ
tPZH
tPZL
tPHZ
FROM
(INPUT)
TO
(OUTPUT)
VCC = 5 V,
TA = 25°C
MIN
77
CLKBA
CLKAB
A
B
SBA†
(with B high)
SBA†
(with B low)
SAB†
(with A high)
SAB†
(with A low)
OEBA
OEBA
OEAB
OEAB
A
B
B
A
A
A
B
B
A
A
B
B
2.6
2.8
2.6
2.8
1.7
2.4
1.7
2.4
3.5
2.4
3
3.8
3.5
2.4
3
3.8
2.5
3.2
2.8
2.4
1.5
2.3
3.5
6.9
6.8
6.9
6.8
5.8
6.5
5.8
6.5
8.8
5.9
7.6
8.3
8.8
5.9
7.6
8.3
7.2
8.1
6.7
6.3
5.4
6.2
8.2
8.9
8.8
8.9
8.8
7.5
8.2
7.5
8.2
10.8
7.7
9.7
10.4
10.8
7.7
9.7
10.4
8.9
10.1
8.6
8.4
7.1
8.1
10
TYP
MIN
SN54BCT652
MIN
77
2.6
2.8
2.6
2.8
1.7
2.4
1.7
2.4
3.5
2.4
3
3.8
3.5
2.4
3
3.8
2.5
3.2
2.8
2.4
1.5
2.3
3.5
11.6
10.7
11.6
10.7
10.3
11
10.3
11
14.2
9.1
12.4
12.9
14.2
9.1
12.4
12.9
11.2
12.6
10.9
10.5
9
10.3
12.2
MAX
SN74BCT652
MIN
77
2.6
2.8
2.6
2.8
1.7
2.4
1.7
2.4
3.5
2.4
3
3.8
3.5
2.4
3
3.8
2.5
3.2
2.8
2.4
1.5
2.3
3.5
10.5
9.9
10.5
9.9
8.9
9.8
8.9
9.8
13.1
8.5
11.3
12.5
13.1
8.5
11.3
12.5
10.6
12
10
9.5
8.1
9.3
11.6
11.3
MAX
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
UNIT
tPLZ
2.8
7.2
9.5
2.8
12
2.8
† These parameters are measured with the internal output state of the storage register opposite to that of the bus input.
NOTE 2: Load circuits and voltage waveforms are shown in Section 1.
2–6
POST OFFICE BOX 655303
•
DALLAS, TEXAS 75265
TI [ TEXAS INSTRUMENTS ]
