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SPEECH AND 14 MEMORY DIALER WITH LED DRIVER

DESCRIPTION The device consists of the speech and the dialer. It provides the DC line interface circuit that terminates the telephone line, analog amplifier for speech transmission and necessary signals for either DTMF or loop disconnect (pulse) dialing. SPEECH CIRCUIT ■ 2 TO 4 WIRES CONVERSION

STMICROELECTRONICS

意法半导体

SPEECH AND 14 MEMORY DIALER WITH LED DRIVER

DESCRIPTION The device consists of the speech and the dialer. It provides the DC line interface circuit that terminates the telephone line, analog amplifier for speech transmission and necessary signals for either DTMF or loop disconnect (pulse) dialing. SPEECH CIRCUIT ■ 2 TO 4 WIRES CONVERSION

STMICROELECTRONICS

意法半导体

3.3 V High Performance CMOS 5x7 AlphaNumeric Displays

文件:123 Kbytes Page:22 Pages

HP

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TI

德州仪器

更新时间:2026-3-17 19:27:01
IC供应商 芯片型号 品牌 批号 封装 库存 备注 价格
NSC
23+
BGAQFP
8659
原装公司现货!原装正品价格优势.
ST
26+
SOP-28
60000
只有原装 可配单
ST
94+
DIP
390
一级代理,专注军工、汽车、医疗、工业、新能源、电力
ST/意法
25+
SOP-28
560
全新原装正品支持含税
TEXAS
24+
SOP8P
6980
原装现货,可开13%税票
ST
25+
SOP28
2987
只售原装自家现货!诚信经营!欢迎来电!
ST/意法
2450+
DIP28
8850
只做原装正品假一赔十为客户做到零风险!!
ST
05+
原厂原装
27866
只做全新原装真实现货供应
ST
2025+
SOP-28
3645
全新原厂原装产品、公司现货销售
ST
22+
SMD
5000
原装现货库存.价格优势!!

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