Product Summary

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 currently using the CH1776 can use the XE1276A without altering their existing hardware or software. The XE1276A includes user transferable FCC Part 68 registration. This permits use of the XE1276A without additional FCC Part 68 testing.

Parametrics

XE1276A absolute maximum ratings: (1)Supply voltage: - Vcc +6.5 Volts; (2)DC input voltage: -0.6 Volts to +6.5 Volts; (3)Storage temperature range: -25℃ to +100℃; (4)Lead temperature (soldering, 2 sec per wave): 260℃; (5)Operating temperature range: 0 to 70℃.

Features

XE1276A features: (1)Modem Protocols Supported: V.22, V.21, Bell 212A and 103; (2)Pin compatible with the XE1276, XE2476 and CH1776; (3)Command set: "AT" command set for modem control and configuration.; (4)Modem Configuration stored in NVRAM; (5)Small Size: 2.00 inches long, 1.125 inches wide, 0.44 inches high.; (6)Single +5V supply; (7)Low power CMOS: Operating: 200 mW (Typical); Sleep: 50 mW (maximum).

Diagrams

XE1276A Applications Schematic

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