SN54BCT652, SN74BCT652
OCTAL BUS TRANSCEIVERS AND REGISTERS
WITH 3-STATE OUTPUTS
SCBS038A – AUGUST 1989 – REVISED NOVEMBER 1993
recommended operating conditions
SN54BCT652
MIN
VCC
VIH
VIL
IIK
IOH
IOL
TA
Supply voltage
High-level input voltage
Low-level input voltage
Input clamp current
High-level output current
Low-level output current
Operating free-air temperature
– 55
4.5
2
0.8
–18
–12
48
125
0
NOM
5
MAX
5.5
SN74BCT652
MIN
4.5
2
0.8
–18
–15
64
70
NOM
5
MAX
5.5
UNIT
V
V
V
mA
mA
mA
°C
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
VIK
VOH
VCC = 4.5 V,
VCC = 4.5 V
TEST CONDITIONS
II = –18 mA
IOH = – 3 mA
IOH = –12 mA
IOH = –15 mA
IOL = 48 mA
IOL = 64 mA
VI = 5 5 V
5.5
VI = 2 7 V
2.7
VI = 0 5 V
0.5
VO = 0
VI = 0
VI = 4.5 V
VI = 0
VI = 2.5 V or 0.5 V
VO = 2.5 V or 0.5 V
– 100
43
6
10
6
SN54BCT652
MIN TYP†
MAX
–1.2
2.4
2
3.3
3.2
2
0.38
0.55
0.42
1
1
70
20
– 0.7
– 0.7
– 225
69
10
17
– 100
43
6
10
6
14
0.55
1
1
70
20
– 0.7
– 0.7
– 225
69
10
17
3.1
V
mA
µA
mA
mA
mA
mA
mA
pF
pF
2.4
3.3
V
SN74BCT652
MIN TYP†
MAX
–1.2
UNIT
V
VOL
II
IIH‡
IIL‡
IOS§
ICCL
ICCH
ICCZ
Ci
A or B port
Control inputs
A or B port
Control inputs
A or B port
Control inputs
A or B port
A or B port
A or B port
Control inputs
VCC = 4 5 V
4.5
VCC = 5 5 V
5.5 V,
VCC = 5 5 V
5.5 V,
VCC = 5 5 V
5.5 V,
VCC = 5.5 V,
VCC = 5.5 V,
VCC = 5.5 V,
VCC = 5.5 V,
VCC = 5 V,
VCC = 5 V,
Cio
A or B port
14
† All typical values are at VCC = 5 V, TA = 25°C.
‡ For I/O ports, the parameters IIH and IIL include the off-state output current.
§ Not more than one output should be tested at a time, and the duration of the test should not exceed one second.
timing requirements over recommended ranges of supply voltage and operating free-air
temperature (unless otherwise noted)
VCC = 5 V,
TA = 25°C
MIN
fclock
tw
tsu
th
Clock frequency
Pulse duration, CLK high or low
Setup time, A or B before CLKAB↑ or CLKBA↑
Hold time, A or B after CLKAB↑ or CLKBA↑
0
6.5
5
1
MAX
77
SN54BCT652
MIN
0
7
6
1
MAX
77
SN7BCTT652
MIN
0
6.5
5
1
MAX
77
MHz
ns
ns
ns
UNIT
POST OFFICE BOX 655303
•
DALLAS, TEXAS 75265
2–5
TI [ TEXAS INSTRUMENTS ]
