SP233A,SP310A and SP312A
Enhanced RS-232 Line Drivers/Receivers
FEATURES
• Operates from a Single +5V Power Supply
• Meets all RS-232F and ITU V.28 Specifications
• Operates with 0.μF Ceramic Capacitors
• No External Capacitors required (SP233A)
• Low Power Shutdown (SP30A, SP32A)
• High Data Rate - 20kbps under load
• Low power CMOS Operation
• +/-2kV Human Body Model ESD Protection
• Lead Free packaging available
DESCRIPTION
The SP233A / SP30A / SP32A devices are a family of line driver and receiver pairs that meets
the specifications of RS-232 and V.28 serial protocols. The devices are pin-to-pin compatible with
popular industry standard pinouts. The SP233A / SP30A / SP32A offer 20kbps data rate under
load, small ceramic type 0.μF charge pump capacitors and overall ruggedness for comercial appli-
cations. Features include Exar's BiCMOS design allowing for low power operation without sacrificing
performance. These devices are available in plastic DIP and SOIC Wide packages operating over
the commercial and industrial temperature ranges.
SELECTION TABLE
Model
Number of RS-232
Drivers
Receivers
No. of RX
active in
Shutdown
No. of External
0.
μ
F Capacitors
Shutdown
WakeUp
TTL Tri-State
SP233A
SP30A
SP32A
2
2
2
2
2
2
N/A
0
2
0
4
4
No
Yes
Yes
No
No
Yes
No
Yes
Yes
Exar Corporation 48720 Kato Road, Fremont CA, 94538 • (50)668-7000 • Fax (50)668-707 • www.exar.com SP233A,30A,32A 00_05308
EXAR [ EXAR CORPORATION ]
