DS89C387TMEA National Semiconductor, DS89C387TMEA Datasheet - Page 3

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DS89C387TMEA

Manufacturer Part Number
DS89C387TMEA
Description
RS422/485 Line Driver IC
Manufacturer
National Semiconductor
Datasheets

Specifications of DS89C387TMEA

Device Type
Line
No. Of Drivers
1
Driver Case Style
SSOP
No. Of Pins
48
Mounting Type
Surface Mount
No. Of Driver/receivers
12/0
Peak Reflow Compatible (260 C)
No
Supply Voltage
5V
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant

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t
Skew
t
t
t
t
t
C
C
PLH
TLH
PZH
PZL
PHZ
PLZ
Switching Characteristics
Note 8: Skew is defined as the difference in propagation delays between complementary outputs at the crossing point.
Note 9: Output disable time is the delay from the control input being switched to the output transistors turning off. The actual disable times are less than indicated
due to the delay added by the RC time constant of the load.
Note 10: C
I
Note 11: ESD Rating: HBM (1.5 k , 100 pF)
V
PD
IN
Logic Diagram
CC
CC
Inputs
Outputs
EIAJ (0 , 200 pF)
All Pins
.
, t
, t
Symbol
THL
PHL
= 5V
1500V
PD
350V
1000V
±
determines the no load dynamic power consumption, P
10%, t
r
, t
Propagation Delay
Input to Output
(Note 8)
Differential Output Rise
And Fall Times
Output Enable Time
Output Enable Time
Output Disable Time (Note 9)
Output Disable Time (Note 9)
Power Dissipation
Capacitance (Note 10)
Input Capacitance
f
6 ns ( Figures 1, 2, 3, 4 )
Parameter
(Note 4)
D
= C
PD
S1 Open
S1 Open
S1 Open
S1 Closed
S1 Closed
S1 Closed
S1 Closed
Conditions
V
3
2
CC f + I
CC
V
CC
, and the no load dynamic current consumption, I
Min
2
0
DS012086-3
Typ
100
0.5
12
13
6
6
4
6
6
Max
11
10
25
26
12
3
8
S
www.national.com
= C
PD
Units
V
ns
ns
ns
ns
ns
ns
ns
pF
pF
CC
f +

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