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XE1276A Datasheet

  • XE1276A

  • Compact 1200 bps Modem

  • 10頁

  • ETC

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xecom
Compact 1200 bps Modem
Description
The XE1276A is the successor to the XE1276.
Several improvements have been incorporated in
the XE1276A. Power consumption has been
reduced, an automatic Sleep mode has been
added and the XE1276A includes non-volatile
memory for storage of the "AT" Commands used
for modem control and configuration.
The XE1276A provides a replacement for the
CH1776. Most OEM's currently using the CH1776
can use the XE1276A without altering their existing
hardware or software. The XE2476 provides a
2400 bps upgrade in the same package design.
The XE1276A includes user transferable FCC Part
68 registration. This permits use of the XE1276A
without additional FCC Part 68 testing.
XE1276A
2/97
Features
鈥?Modem Protocols Supported:
V.22, V.21, Bell 212A and 103
鈥?Pin compatible with the XE1276, XE2476 and
CH1776
鈥?Command set: "AT" command set for modem
control and configuration.
鈥?Modem Configuration stored in NVRAM
鈥?Small Size: 2.00 inches long, 1.125 inches wide,
0.44 inches high.
鈥?Single +5V supply
鈥?Low power CMOS:
Operating: 200 mW (Typical)
Sleep: 50 mW (maximum)
Block Diagram
PIN CONFIGURATION
TST
N/C
N/C
/DCD
/DTR
D/V
OHO
RXD
TXD
N/C
SPK
VO
VI
1
2
3
4
5
6
7
8
9
10
11
12
13
18
RI
17
GND
16
VCC
XE1276A
(Top View)
15
RING
14
TIP

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