Datasheet


    
SLLS018E − JUNE 1986 − REVISED JUNE 2004
4
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
recommended operating conditions
MIN NOM MAX UNIT
V
CC
Supply voltage 4.75 5 5.25 V
V
IH
High-level input voltage 2 V
V
IL
Low-level input voltage 0.8 V
I
OH
High-level output current
Bus ports with pullups active − 5.2 mA
I
OH
High-level output current
Terminal ports
− 800 µA
I
OL
Low-level output current
Bus ports 48
mA
I
OL
Low-level output current
Terminal ports
16
mA
T
A
Operating free-air temperature 0 70 °C
electrical characteristics over recommended ranges of supply voltage and operating free-air
temperature (unless otherwise noted)
PARAMETER
TEST CONDITIONS
†
MIN TYP
‡
MAX UNIT
V
IK
Input clamp voltage I
I
= −18 mA, V
CC
= MIN − 0.8 − 1.5 V
V
hys
Hysteresis voltage
(V
IT+
− V
IT−
)
Bus 0.4 0.65 V
V
OH
§
High-level output
Terminal I
OH
= − 800 µA, TE at 0.8 V, V
CC
= MIN 2.7 3.5
V
V
OH
§
High-level output
voltage
Bus
I
OH
= − 5.2 mA, PE and TE at 2 V, V
CC
= MIN 2.5 3.3
V
V
OL
Low-level output
Terminal I
OL
= 16 mA, TE at 0.8 V, V
CC
= MIN 0.3 0.5
V
V
OL
Low-level output
voltage
Bus
I
OL
= 48 mA, TE at 2 V, V
CC
= MIN 0.35 0.5
V
I
I
Input current at
maximum input
voltage
Terminal V
I
= 5.5 V, V
CC
= MAX 0.2 100 µA
I
IH
High-level input
current
Terminal,
PE, or TE
V
I
= 2.7 V, V
CC
= MAX 0.1 20 µA
I
IL
Low-level input
current
Terminal,
PE, or TE
V
I
= 0.5 V, V
CC
= MAX −10 −100 µA
V
I/O(bus)
Voltage at bus port
I
I(bus)
= 0 2.5 3 3.7 V
V
I/O(bus)
Voltage at bus port
I
I(bus)
= −12 mA
−1.5 V
V
I(bus)
= −1.5 V to 0.4 V −1.3
V
I(bus)
= 0.4 V to 2.5 V 0 − 3.2
I
I/O(bus)
Current into bus
port
Power on
V
I(bus)
= 2.5 V to 3.7 V
2.5
− 3.2
mA
I
I/O(bus)
port
V
I(bus)
= 3.7 V to 5 V 0 2.5
V
I(bus)
= 5 V to 5.5 V 0.7 2.5
Power off V
CC
= 0 V
I(bus)
= 0 to 2.5 V 40 µA
I
OS
Short-circuit output
Terminal V
CC
= MAX −15 −35 −75
mA
I
OS
Short-circuit output
current
Bus
V
CC
= MAX −25 −50 − 125
mA
I
CC
Supply current
No load,
Terminal outputs low and enabled 42 65
mA
I
CC
Supply current
No load,
V
CC
= MAX
Bus outputs low and enabled 52 80
mA
C
I/O(bus)
Bus-port capacitance V
CC
= 0 to 5 V, V
I/O
= 0 to 2 V, f = 1 MHz 30 pF
†
For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions.
‡
All typical values are at V
CC
= 5 V, T
A
= 25°C.
§
V
OH
applies to 3-state outputs only.