MC3486
QUADRUPLE DIFFERENTIAL LINE RECEIVER
WITH 3-STATE OUTPUTS
SLLS097C – JUNE 1980 – REVISED FEBRUARY 2002
electrical characteristics over recommended ranges of common-mode input voltage, supply
voltage, and operating free-air temperature (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
MAX
UNIT
V
IT+
V
IT–
V
IK
Differential input high-threshold voltage
Differential input low-threshold voltage
Enable-input clamp voltage
V
V
= 2.7 V,
= 0.5 V,
I
I
= –0.4 mA
= –8 mA
0.2
V
V
V
O
O
†
–0.2
O
O
I = –10 mA
I
–1.5
V
= 0.4 V,
I
= –0.4 mA,
ID
O
V
High-level output voltage
2.7
V
V
OH
OL
See Note 4 and Figure 1
V
= –0.4 V,
I
O
= 8 mA,
ID
See Note 4 and Figure 1
V
Low-level output voltage
0.5
V
V
= 0.8 V,
= 0.8 V,
V
V
= –3 V,
V
V
V
V
= 2.7 V
= 0.5 V
= –10 V
= –3 V
40
–40
–3.25
–1.5
1.5
IL
ID
O
O
I
I
I
I
High-impedance-state output current
µA
OZ
= 3 V,
IL
ID
V
CC
= 0 V or 5.25 V,
I
Differential-input bias current
High-level enable input current
mA
IB
IH
Other inputs at 0 V
V = 3 V
I
V = 10 V
I
3.25
100
V = 5.25 V
I
µA
V = 2.7 V
I
20
I
I
I
Low-level enable input current
Short-circuit output current
Supply current
V = –0.5 V
–100
µA
mA
mA
IL
I
V
= 3 V,
= 0
V
O
= 0,
See Note 5
–15 –100
OS
CC
ID
IL
V
85
†
The algebraic convention, in which the least positive (most negative) limit is designated as minimum, is used in this data sheet for threshold
voltages only.
NOTES: 4. Refer to ANSI Standards TIA/EIA-422-B and TIA/EIA-423-B for exact conditions.
5. Only one output should be shorted at a time.
switching characteristics, V
= 5 V, C = 15 pF, T = 25°C
L A
CC
PARAMETER
TEST CONDITIONS
MIN
TYP
28
MAX
35
UNIT
ns
t
t
t
t
t
t
Propagation delay time, high- to low-level output
Propagation delay time, low- to high-level output
Output enable time to high level
PHL
PLH
PZH
PZL
PHZ
PLZ
See Figure 2
27
30
ns
13
30
ns
Output enable time to low level
20
30
ns
See Figure 3
Output disable time from high level
Output disable time from low level
26
35
ns
27
35
ns
4
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
TI [ TEXAS INSTRUMENTS ]
