ICL3310 Datasheet, PDF (1/9 Pages) Intersil Corporation – +3V to +5.5V, 1 Microamp, 250kbps, RS-232 Transmitter/Receiver

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July 2004
ICL3310
FN4995.3
+3V to +5.5V, 1 Microamp, 250kbps,
RS-232 Transmitter/Receiver
The Intersil ICL3310 contains 3.0V to 5.5V powered RS-232
transmitters/receivers which meet ElA/TIA-232 and
V.28/V.24 specifications, even at V_CC = 3.0V. Targeted
applications are PDAs, Palmtops, and notebook and laptop
computers where the low operational, and even lower
standby, power consumption is critical. Efficient on-chip
charge pumps, coupled with a manual powerdown function
reduces the standby supply current to a 1µA trickle. Small
footprint packaging, and the use of small, low value
capacitors ensure board space savings as well. Data rates
greater than 250kbps are guaranteed at worst case load
conditions. This device is fully compatible with 3.3V only
systems, mixed 3.3V and 5.0V systems, and 5.0V only
systems.
The single pin powerdown function (SHDN = 0) disables all
the transmitters and receivers, while shutting down the
charge pump to minimize supply current drain.
Table 1 summarizes the features of the ICL3310, while
Application Note AN9863 summarizes the features of each
device comprising the ICL32XX 3V family.
Pinout
ICL3310 (SOIC)
TOP VIEW
NC 1
C1+ 2
V+ 3
C1- 4
C2+ 5
C2- 6
V- 7
T2_OUT 8
R2_IN 9
18 SHDN
17 V_CC
16 GND
15 T1_OUT
14 R1_IN
13 R1_OUT
12 T1_IN
11 T2_IN
10 R2_OUT
Features
• ±15kV ESD Protected (Human Body Model)
• Low Power, Pin Compatible Upgrade for 5V MAX222,
SP310A, and LT1X80/A
• Single SHDN Pin Disables Transmitters and Receivers
• Meets EIA/TIA-232 and V.28/V.24 Specifications at 3V
• Latch-Up Free
• On-Chip Voltage Converters Require Only Four External
0.1µF Capacitors
• Receiver Hysteresis For Improved Noise Immunity
• Very Low Supply Current . . . . . . . . . . . . . . . . . . . . 0.3mA
• Guaranteed Minimum Data Rate . . . . . . . . . . . . . 250kbps
• Guaranteed Minimum Slew Rate . . . . . . . . . . . . . . . 6V/µs
• Wide Power Supply Range . . . . . . . Single +3V to +5.5V
• Low Supply Current in Powerdown State. . . . . . . . . .<1µA
Applications
• Any System Requiring RS-232 Communication Ports
- Battery Powered, Hand-Held, and Portable Equipment
- Laptop Computers, Notebooks, Palmtops
- Modems, Printers and other Peripherals
- Digital Cameras
- Cellular/Mobile Phones
Related Literature
• Technical Brief TB363 “Guidelines for Handling and
Processing Moisture Sensitive Surface Mount Devices
(SMDs)”
Part # Information
PART NO.
TEMP.
RANGE (^oC)
PACKAGE
ICL3310CB
ICL3310CB-T
ICL3310IB
ICL3310IB-T
0 to 70
0 to 70
-40 to 85
-40 to 85
18 Ld SOIC
Tape and Reel
18 Ld SOIC
Tape and Reel
PKG. NO.
M18.3
M18.3
M18.3
M18.3
PART
NUMBER
ICL3310
NO. OF NO. OF
Tx.
Rx.
2
2
TABLE 1. SUMMARY OF FEATURES
NO. OF
MONITOR Rx.
(R_OUTB)
0
DATA
RATE
(kbps)
250
Rx. ENABLE
FUNCTION?
NO
READY
OUTPUT?
NO
MANUAL
POWER-
DOWN?
YES
AUTOMATIC
POWERDOWN
FUNCTION?
NO
1
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
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