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ISL83385E Datasheet(PDF) 1 Page - Intersil Corporation

Part No. ISL83385E
Description  15kV ESD Protected, 3V to 5.5V, /-1 Microamp, 250kbps, RS-232 Transmitters/Receivers
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Maker  INTERSIL [Intersil Corporation]
Homepage  http://www.intersil.com/cda/home
Logo INTERSIL - Intersil Corporation

ISL83385E Datasheet(HTML) 1 Page - Intersil Corporation

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1
TM
File Number
6001
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 321-724-7143
| Intersil and Design is a trademark of Intersil Corporation. | Copyright © Intersil Corporation 2001
ISL83385E
15kV ESD Protected, +3V to +5.5V,
+/-1 Microamp, 250kbps,
RS-232 Transmitters/Receivers
The Intersil ISL83385E contains 3.0V to 5.5V powered
RS-232 transmitters/receivers which meet ElA/TIA-232 and
V.28/V.24 specifications, even at VCC = 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 1
µA 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, while shutting down the charge pump to
minimize supply current drain.
Table 1 summarizes the features of the ISL83385E, while
Application Note AN9863 summarizes the features of each
device comprising the 3V RS-232 family.
Features
• ESD Protection for RS-232 I/O Pins to
±15kV (IEC1000)
• Low Power, Pin Compatible Upgrade for MAX3385E
• Single SHDN Pin Disables Transmitters
• Receivers Active in Powerdown
• Meets EIA/TIA-232 and V.28/V.24 Specifications at 3V
• Latch-Up Free
• On-Chip Voltage Converters Require Only Four External
0.1
µF 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 . . . . . . . . . <1
µA
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
Ordering Information
PART
NUMBER
TEMP.
RANGE (oC)
PACKAGE
PKG. NO.
ISL83385ECB
0 to 70
18 Ld SOIC
M18.3
ISL83385ECB-T
0 to 70
Tape and Reel
M18.3
ISL83385ECA
0 to 70
20 Ld SSOP
M20.209
ISL83385ECA-T
0 to 70
Tape and Reel
M20.209
ISL83385EIB
-40 to 85
18 Ld SOIC
M18.3
ISL83385EIB-T
-40 to 85
Tape and Reel
M18.3
ISL83385EIA
-40 to 85
20 Ld SSOP
M20.209
ISL83385EIA-T
-40 to 85
Tape and Reel
M20.209
TABLE 1. SUMMARY OF FEATURES
PART
NUMBER
NO. OF
Tx.
NO. OF
Rx.
NO. OF
MONITOR Rx.
(ROUTB)
DATA
RATE
(kbps)
Rx. ENABLE
FUNCTION?
READY
OUTPUT?
MANUAL
POWER-
DOWN?
AUTOMATIC
POWERDOWN
FUNCTION?
ISL83385E
2
2
0
250
NO
NO
YES
NO
Data Sheet
January 2001


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