Datasheet

SN74FB2041A
7-BIT TTL/BTL TRANSCEIVER
SCBS172L NOVEMBER 1991 REVISED JUNE 2001
5–73
POST OFFICE BOX 655303 DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP
MAX UNIT
B port V
CC
= 4.5 V, I
I
= 18 mA –1.2
V
IK
Except B port V
CC
= 4.5 V, I
I
= 40 mA –0.5
V
V
OH
AO port V
CC
= 4.5 V, I
OH
= 3 mA 2.5 3.3 V
AO port V
CC
= 4.5 V, I
OL
= 24 mA 0.35 0.5
V
OL
I
OL
= 80 mA 0.75 1.1
V
B port
V
CC
= 4.5 V
I
OL
= 100 mA 1.15
I
I
Except B port V
CC
= 5.5 V, V
I
= 5.5 V 50 µA
I
IH
Except B port V
CC
= 5.5 V, V
I
= 2.7 V 50 µA
Except B port V
CC
= 5.5 V, V
I
= 0.5 V –50
I
IL
B port
V
CC
= 5.5 V, V
I
= 0.75 V –100
µA
I
OH
B port V
CC
= 0 to 5.5 V, V
O
= 2.1 V 100 µA
I
OZH
AO port V
CC
= 5.5 V, V
O
= 2.7 V 50 µA
I
OZL
AO port V
CC
= 5.5 V, V
O
= 0.5 V –50 µA
I
OZPU
AO port V
CC
= 0 to 2.1 V, V
O
= 0.5 V to 2.7 V 50 µA
I
OZPD
AO port V
CC
= 2.1 V to 0, V
O
= 0.5 V to 2.7 V –50 µA
I
OS
§
AO port V
CC
= 5.5 V, V
O
= 0 –30 –180 mA
AI port to B port 45
I
CC
B port to AO port
V
CC
= 5.5 V, I
O
= 0
65
mA
AI port
3
C
i
Control inputs
V
I
= 0.5 V or 2.5 V
3
pF
C
o
AO port V
O
= 0.5 V or 2.5 V 5.5 pF
B port per
V
CC
= 0 to 4.5 V 5
C
io
IEEE Std 1194.1-1991
V
CC
= 4.5 V to 5.5 V 5
pF
All typical values are at V
CC
= 5 V, T
A
= 25°C.
For I/O ports, the parameters I
IH
and I
IL
include the off-state output current.
§
Not more than one output should be shorted at a time, and the duration of the short circuit should not exceed one second.
live-insertion specifications over recommended operating free-air temperature range
PARAMETER TEST CONDITIONS MIN MAX UNIT
V
CC
= 0 to 4.5 V 450
µ
I
CC
(BIAS V
CC
)
V
CC
= 4.5 V to 5.5 V
V
B
= 0 to 2 V, V
l
(BIAS V
CC
) = 4.5 V to 5.5 V
10
µA
V
O
B port V
CC
= 0, V
I
(BIAS V
CC
) = 5 V 1.62 2.1 V
V
CC
= 0, V
B
= 1 V, V
l
(BIAS V
CC
) = 4.5 V to 5.5 V –1
I
O
B port
V
CC
= 0 to 5.5 V, OEB = 0 to 0.8 V 100
µA
V
CC
= 0 to 2.2 V, OEB = 0 to 5 V 100