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PULSE
GENERATOR
(See Note A)
PULSE
GENERATOR
(See Note A)
OUTPUT
OUTPUT
INPUT
10ns
3V
0V
VOH
VOL
1.5V
tPHL
50% 50%
tTLH
tTHL
RLCL
OUTPUT RL
CL(See Note C)
VCC
ZZ OUTPUT
INPUT
10ns 3V
0V
VOH
VOL
tPLH
tPHL
1.5V
50%
tTLH
tTHL
50%
1.5V
90%
10%
10%
90%
10ns
90%
10%
1.5V
ZZ
ZZ
ZZ
ZZ
ZZ
ZZ
ZZ
ZZ
UART GD75232 GD75323
/DCD
/DSR
SIN
/RTS
SOUT
/CTS
/DTR
/RI
/DCD
/DSR
SIN
/RTS
SOUT
/CTS
/DTR
/RI
DCD
DSR
RX
RTS
TX
CTS
DTR
RI
-12V -12V
+12V +12V
+5V +5V
DB95
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
tPLH
