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ML145443 bảng dữ liệu(PDF) 1 Page - LANSDALE Semiconductor Inc. |
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ML145443 bảng dữ liệu(HTML) 1 Page - LANSDALE Semiconductor Inc. |
1 / 11 page www.lansdale.com Page 1 of 11 ML145442 ML145443 Single–Chip 300–Baud Modem Legacy Device: Motorola MC145442B, MC145443B The ML145442 and ML145443 silicon–gate CMOS single–chip low–speed modems contain a complete frequency shift keying (FSK) modulator, demod- ulator, and filter. These devices are compatible with CCITT V.21 (ML145442) and Bell 103 (ML145443) specifications. Both devices provide full–duplex or half–duplex 300–baud data communication over a pair of telephone lines. They also include a carrier detect circuit for the demodulator section and a duplexer circuit for direct operation on a telephone line through a simple transformer. This Device Offers The Following Performance Features: • ML145442 Compatible with CCITT V.21 • ML145443 Compatible with Bell 103 • Low–Band and High–Band Band–Pass Filters On–Chip • Simplex, Half–Duplex, and Full–Duplex Operation • Originate and Answer Mode • Analog Loopback Configuration for Self Test • Hybrid Network Function On–Chip • Carrier Detect Circuit On–Chip • Adjustable Transmit Level and CD Delay Timing • On–Chip Crystal Oscillator (3.579 MHz) • Single +5 V Power Supply Operation • Internal Mid–Supply Generator • Power–Down Mode • Pin Compatible with MM74HC943 • Capable of Driving –9 dBm into a 600 W Load • Operating Temperature Range = TA –40° to +85°C P DIP 20 = RP PLASTIC DIP CASE 738 SOG 20 = -6P SOG PACKAGE CASE 751D 20 1 20 1 CROSS REFERENCE/ORDERING INFORMATION MOTOROLA P DIP 20 H MC145442BP ML145442RP SO 20W MC145442BDW ML145442-6P P DIP 20 H MC145443BP ML145443RP SO 20W MC145443BDW ML145443-6P LANSDALE PACKAGE Note: Lansdale lead free (Pb) product, as it becomes available, will be identified by a part number prefix change from ML to MLE. PIN ASSIGNMENT VDD CDT CD LB DSI FB Xin Xout CDA RxD 5 4 3 2 1 10 9 8 7 6 14 15 16 17 18 19 20 11 12 13 RxA1 TxA Exl VAG TLA TxD VSS MODE SQT RxA2 Issue Bb |
Số phần tương tự - ML145443 |
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Mô tả tương tự - ML145443 |
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