DS96F174 Datasheet, PDF (5/10 Pages) National Semiconductor (TI) – RS-485 COMPARABLE QUAD DIFFERENTIAL DRIVER

MNDS96F174M-X REV 1B0
MICROCIRCUIT DATA SHEET
Electrical Characteristics
(Continued)
(The following conditions apply to all the following parameters, unless otherwise specified.)
DC: VCC = 5.5V
AC: VCC = 5.0V
SYMBOL
IOS (1)
IOS (2)
IOS (3)
IOS (4)
tPLH
PARAMETER
CONDITIONS
Short Circuit
Output Current
VO = -7V
Short Circuit
Output Current
VO = 0V
Short Circuit
Output Current
VO = VCC
Short Circuit
Output Current
VO = 12V
Propagation Delay RL = 27 ohms, CL = 15pF
Lo to Hi level
NOTES
2
PIN-
NAME
MIN
-250
2
-150
2
2
tPHL
SKEW
Propagation Delay RL = 27 ohms, CL = 15pF
Hi to Low
Level
Output to Output RL = 60 ohms
Delay Time
tLZ
Output Disable
RL = 110 ohms, CL = 50pF
Time From Low
Level
tHZ
Output Disable
RL = 110 ohms, CL = 50pF
Time From High
Level
tZL
Output Enable
RL = 110 ohms, CL = 50pF
Time to Low
Level
tZH
Output Enable
RL = 110 ohms, CL = 50pF
Time to High
Level
tDD
Differential
RL = 60 ohms, CL = 15pF
Output Delay Time
tTD
Differential
RL = 60 ohms, CL = 15pF
Output Transition
Time
Note 1: -55 C limit exceeds EIA standard RS-485 specification.
Note 2: .2uF cap is connected between the output and GND to reduce oscilation.
MAX
UNIT
SUB-
GROUPS
mA 1, 2,
3
mA 1, 2,
3
150
mA 1, 2,
3
250
mA 1, 2,
3
25
ns 10, 11
16
ns 9
25
ns 10, 11
16
ns 9
10
ns 10, 11
4
ns 9
40
ns 10, 11
25
ns 9
80
ns 10, 11
30
ns 9
100
ns 10, 11
40
ns 9
40
ns 10, 11
32
ns 9
30
ns 10, 11
22
ns 9
40
ns 10, 11
22
ns 9
5