ą
SN65C23243, SN75C23243
3ĆV TO 5.
5ĆV DUAL RSĆ232 PORT
ą
SLLS513A − AUGUST 2001 − REVISED MARCH 2004
D Single-Chip and Single-Supply Interface for
Two IBM PC/AT Serial Ports
DGG OR DL PACKAGE (TOP VIEW)
D Meet or Exceed the Requirements of
TIA/EIA-232-F and ITU v.
28 Standards
D Operate With 3-V to 5.
5-V VCC Supply D Always-Active Noninverting Receiver
Output (ROUT2) Per Port
RIN5A 1 RIN4A 2 RIN3A 3 RIN2A 4 RIN1A 5
48 ROUT5A 47 ROUT4A 46 ROUT3A 45 ROUT2A 44 ROUT1A
D Operate Up To 250 kbit/s
INVA 6
43 ROUT2A
D Low Standby Current .
.
.
1 µA Typical D External
Capacitors .
.
.
4 × 0.
22 µF D Accept 5-V Logic Input With 3.
3-V Supply D Allow for Flexible Power Down of Either
DOUT3A ...