CS8403A View Datasheet(PDF) - Cirrus Logic
Part Name
Description
Manufacturer
CS8403A Datasheet PDF : 33 Pages
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CS8403A CS8404A
DIGITAL CHARACTERISTICS - RS422 DRIVERS (TXP, TXN pins only; VD+ = 5.0V ±5%)
Parameters
Output High Voltage
Output Low Voltage
IOH = -30 mA
IOL = 30 mA
Symbol
VOH
VOL
Min
Typ
(VD+) - 0.7 (VD+) - 0.4
-
0.4
Max
-
0.7
Units
V
V
SWITCHING CHARACTTERISTICS - CS8403A PARALLEL PORT (TA = 25 °C;
VD+ = 5V, Inputs: Logic0 = GND, Logic1 = VD+, CL = 20 pF)
Parameters
Symbol Min
Typ
Max Units
ADDRESS valid to CS low
tadcss
13.5
-
CS high to ADDRESS invalid
tcsadh
0
-
RD/WR valid to CS low
trwcss
10
-
CS low to RD/WR invalid
tcsrwi
35
-
CS low
tcsl
35
-
DATA valid to CS rising
RD/WR low (writing)
tdcssw
32
-
CS high to DATA invalid
RD/WR low (writing)
tcsdhw
0
-
CS falling to DATA valid
RD/WR high (reading)
tcsddr
-
-
CS rising to DATA Hi-Z
RD/WR high (reading)
tcsdhr
5
-
-
ns
-
ns
-
ns
-
ns
-
ns
-
ns
-
ns
35
ns
-
ns
A4 - A0
CS
RD/WR
Writing
D7 - D0
t adcss
t rwcss
t csl
t csrwi
t dcssw
t csadh
t csdhw
RD/WR
Reading
D7 - D0
4
t csddr
CS8403A Parallel Port Timing
t csdhr
DS239PP1
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