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MC145442B中文资料摩托罗拉数据手册PDF规格书

MC145442B
厂商型号

MC145442B

功能描述

SINGLE-CHIP 300-BAUD MODEM

文件大小

113.1 Kbytes

页面数量

12

生产厂商 Motorola, Inc
企业简称

MOTOROLA摩托罗拉

中文名称

加尔文制造公司官网

原厂标识
MOTOROLA
数据手册

下载地址一下载地址二到原厂下载

更新时间

2025-8-1 20:00:00

人工找货

MC145442B价格和库存,欢迎联系客服免费人工找货

MC145442B规格书详情

Single–Chip 300–Baud Modem

The MC145442B and MC145443B silicon–gate CMOS single–chip low–speed modems contain a complete frequency shift keying (FSK) modulator, demodulator, and filter. These devices are compatible with CCITT V.21 (MC145442B) and Bell 103 (MC145443B) 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.

• MC145442B Compatible with CCITT V.21

• MC145443B 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 Ω Load

供应商 型号 品牌 批号 封装 库存 备注 价格
MICROCHIP/微芯
25+
NA
996880
只做原装,欢迎来电资询
询价
MOT
SOP20
01+
9
全新原装进口自己库存优势
询价
ON
24+
DIP20
20000
全新原厂原装,进口正品现货,正规渠道可含税!!
询价
ON
2016+
DIP20
4656
只做原装,假一罚十,公司可开17%增值税发票!
询价
MOTOROLA/摩托罗拉
23+
SOP20
15000
全新原装现货,价格优势
询价
MOTOROLA
22+
SOP
3000
原装正品,支持实单
询价
MOT
25+
SOP20
3000
全新原装、诚信经营、公司现货销售!
询价
ON
DIP20
4656
一级代理 原装正品假一罚十价格优势长期供货
询价
MOT
23+
SOP20
2500
绝对全新原装!现货!特价!请放心订购!
询价
MOTO
23+
SOP-16
9526
询价