SN55ALS160, SN75ALS160
OCTAL GENERAL-PURPOSE INTERFACE BUS TRANSCEIVERS
SLLS018D – JUNE 1986 – REVISED MAY 1995
POST OFFICE BOX 655303 DALLAS, TEXAS 75265
• 5
electrical characteristics over recommended ranges of supply voltage and operating free-air temperature (unless
otherwise noted)
SN55ALS160 SN75ALS160
MIN TYP
‡
MAX MIN TYP
‡
MAX
V
IK
Input clamp voltage I
I
= –18 mA, V
CC
= MIN – 0.8 – 1.5 – 0.8 – 1.5 V
Bus 0.4 0.65
V
h
s
Hysteresis voltage
–
V
CC
= 5 V, T
A
= –55°C and 25°C 0.4 0.55 V
+
–
–
u
V
CC
= 5 V, T
A
= 125°C 0.25
p
Terminal I
OH
= – 800 µA, TE at 0.8 V, V
CC
= MIN 2.7 3.5 2.7 3.5
OH
-
v
u
u
v
Bus I
OH
= – 5.2 mA, PE and TE at 2 V, V
CC
= MIN 2.5 3.3 2.5 3.3
p
Terminal I
OL
= 16 mA, TE at 0.8 V, V
CC
= MIN 0.3 0.5 0.3 0.5
OL
w-
v
u
u
v
Bus I
OL
= 48 mA, TE at 2 V, V
CC
= MIN 0.35 0.5 0.35 0.5
I
I
Input current at maximum input
voltage
Terminal V
I
= 5.5 V, V
CC
= MAX 0.2 100 0.2 100 µA
I
IH
High-level input current
Terminal,
V
I
= 2.7 V, V
CC
= MAX 0.1 20 0.1 20 µA
I
IL
Low-level input current
PE, or TE
V
I
= 0.5 V, V
CC
= MAX –30 –100 –10 –100 µA
p
Driver disabled,
I
I(bus)
= 0 2.5 3 3.7 2.5 3 3.7
I/O(bus)
u
V
CC
= 5 V (SN55’)
I
I(bus)
= –12 mA –1.5 –1.5
V
I(bus)
= –1.5 V to 0.4 V –1.3 –1.3
V
I(bus)
= 0.4 V to 2.5 V 0 – 3.2 0 – 3.2
I
Current into bus port
Power on
Driver disabled,
V
CC
= 5 V (SN55’)
V
I(bus)
= 2.5 V to 3.7 V
2.5
– 3.2
2.5
– 3.2
mA
V
I(bus)
= 3.7 V to 5 V 0 2.5 0 2.5
V
I(bus)
= 5 V to 5.5 V 0.7 2.5 0.7 2.5
Power off V
CC
= 0 V
I(bus)
= 0 to 2.5 V 40 40 µA
p
Terminal V
CC
= MAX –15 –35 –75 –15 –35 –75
OS
-
u
u
u
u
Bus V
CC
= MAX –25 –50 – 125 –25 –50 – 125
pp
No load,
Terminal outputs low and enabled 42 56 42 65
CC
u
y
u
V
CC
= MAX
Bus outputs low and enabled 52 85 52 80
C
I/O(bus)
Bus-port capacitance V
CC
= 0 to 5 V, V
I/O
= 0 to 2 V, f = 1 MHz 30 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.
