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DS14C202 Datasheet

  • DS14C202

  • Low Power +5V Powered EIA/TIA-232 Dual Driver/Receiver

  • 8頁

  • NSC

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DS14C202 Low Power +5V Powered EIA/TIA-232 Dual Driver/Receiver
DS14C202
ADVANCE INFORMATION
June 1998
DS14C202
Low Power +5V Powered EIA/TIA-232 Dual
Driver/Receiver
General Description
The DS14C202 is a low power dual driver/receiver featuring
an onboard DC to DC converter. This eliminates the need for
鹵
12V power supplies and requires only a +5V power supply.
Only four 0.1 碌F capacitors are needed for the DC to DC
converter. The drivers maintain greater than
鹵
5V output sig-
nal levels at data rates in excess of 128 kbits/sec when
loaded in accordance with the EIA/TIA-232-E specification.
I
CC
is specified at 15 mA maximum, making the device ideal
for battery and power conscious applications. The drivers鈥?/div>
slew rate is set internally, eliminating the need for external
slew rate capacitors. The device is designed to interface
data terminal equipment (DTE) with data circuit-terminating
equipment (DCE). The driver inputs and receiver outputs are
TTL and CMOS compatible. DS14C202 driver outputs and
receiver inputs meet EIA/TIA-232-E and ITU-T V.28 stan-
dards. This device is an enhanced version of the DS14C232
that requires smaller external capacitors (0.1 碌F) and sup-
ports higher data rates of up to 128 kbit/sec.
Features
n
Uses only four small 0.1 碌F capacitors for DC to DC
converter
n
Operates over 128 kbit/sec
n
Pin compatible with MAX202, MAX232A and others
n
Single +5V power supply
n
Low power
n
DS14C202 meets EIA/TIA-232-E and ITU-T V.28
standards
n
CMOS technology
n
Package efficiency 鈥?2 drivers and 2 receivers
n
Available in Plastic DIP and Narrow SOIC packages
n
Extended temperature range: 鈭?0藲C to +85藲C
n
ESD
鈮?/div>
6.0 kV HBM
Connection Diagram
Functional Diagram
DS012622-1
Order Number DS14C202TN
or DS14C202TM
See NS Package Number N16A or M16A
DS012622-2
漏 1998 National Semiconductor Corporation
DS012622
www.national.com
1
PrintDate=1998/06/22 PrintTime=10:23:03 42589 ds012622 Rev. No. 0
cmserv
Proof
1

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