Maker : ETC
Part No. : XE2420-ITR

  Datasheet PDF : XE2420-ITR.pdf
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Product Information

XE2420 March 2002 2400 BPS Surface-Mountable Integrated Sealed-Hybrid Modem Description Xecom’s XE2420 provides a complete 2400 BPS modem into an inexpensive miniature, surface-mount package. Xecom’s new HyPLCC™ package (Hybrid PLCC) makes it possible to meet the conflicting goals of small size, low cost and surface-mountability. The XE2420 targets remote monitoring applications in industrial, commercial and residential locations As a complete modem, the XE2420 includes not only all modem circuitry but also user transferrable FCC Part 68 Registration and UL60950 recognition. This allows the XE2420 to be safely integrated into your embedded application. Xecom’s new HyPLCC™ package infuses the XE2420 with both its small size and surface mountability. The HyPLCC package allows complex hybrid circuits to fit the 68-Pin PLCC footprint. The HyPLCC™ package provides a completely sealed enviroment protecting the XE2420 during assembly and board cleaning operations. Features * Small Size: The HyPLCC™ measures less than 1 inch by 1inch square and 0.290 inches thick * Surface-mountabile: The HyPLCC™ package is equivalent to a 68-Pin PLCC device. * Data transfer at 2400, 1200 and 300 BPS using V.22bis, V.22, V.23, V.21, Bell 202, Bell 212A, and Bell 103 Protocols * Modem Control and Configuration via industry standard AT Commands. * Supports external shared line features permitting unobtrusive sharing of a local telephone line. * Complete integrated DAA includes, Ring Detect, Loop Current Holding Circuit, Hook Switch. Metalic Surge Protection, and Telephone Line Transformer * User Transferrable FCC Part 68 Registration * UL60950 Recognition * Low Power operation, 330 milliWatt; Power down operation less than 1 microWatt XE2420 BLOCK DIAGRAM XECOM (1) XE2420 XE2420 Mechanical Specifications b c a d i i f e (TOP) e g c .050” 45O i Millimeters Min Typ 7.11 7.24 25.02 25.15 24.13 24.26 23.11 23.37 1.15 1.27 17.65 17.78 10.03 10.16 0.13 0.25 Dimension a b c d e f g i(radius) Min 0.280 0.985 0.950 0.910 0.045 0.695 0.395 0.015 Inches Typ 0.285 0.990 0.955 0.920 0.050 0.700 0.400 0.020 Max 0.290 0.995 0.960 0.930 0.055 0.705 0.405 0.025 Max 7.37 25.27 24.38 23.62 1.40 17.91 10.29 0.38 XECOM (2) XE2420 XE2420 Pin Configuration /DCD /CTS RESET /DSR /RTS /DTR /RXD /TXD /RI GND N/C EECL EEDT Vcc Vui 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 24 23 22 21 RING N/C TIP N/C N/C HI3 HI1 CD HI2 TOP 20 19 18 17 16 Pin Descriptions PIN 1 NAME /DCD DESCRIPTION /DCD is an active low output from the modem. The AT&C command controls when the XE2420 asserts /DCD. /CTS is an active low output from the modem. The modem asserts /CTS to indicate that it can accept data from the terminal equipment on /TXD. RESET is an active high input which intiates a modem hardware reset. RESET must be active for a minimum of 100 milliseconds for a proper modem reset sequence. No external reset is required; if none is used the RESET signal should be left open. /DSR is an active low output from the modem. The AT&S command controls when the XE2420 asserts /DSR. /RTS is an active low input to the modem. /RTS indicates to the modem that the host has data to send. /DTR is an active low input to the modem. The AT&D command determines how the modem will interpret activity on /DTR. /RXD provides the path for received data and modem responses to be sent from the modem to the host terminal equipment. 2 /CTS 3 RESET 4 /DSR 5 /RTS 6 /DTR 7 /RXD XECOM (3) XE2420 XE2420 Pin Descriptions (continued) PIN 8 NAME /TXD DESCRIPTION /TXD provides the path for transmitted data and modem commands to be passed from the host terminal equipment to the modem. The /RI signal reports on the presence of an incoming ring signal. When a ring occurs across Tip and Ring, the /RI output toggles at the ring frequency. The /RI output is powered by Vui and therefore operates even when VCC is removed from the modem. Ground provides the reference voltage for all hos...

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