型号 功能描述 生产厂家 企业 LOGO 操作
SN54LS669FK

SYNCHRONOUS 4-BIT UP/DOWN COUNTERS

文件:481.95 Kbytes Page:12 Pages

TI

德州仪器

SYNCHRONOUS 4-BIT UP/DOWN COUNTERS

Programmable Look-Ahead Up/Down Binary/Decade Counters * Fully Synchronous Operation for Counting and Programming * Internal Look-Ahead for Fast Counting © Carry Output for n-Bit Cascading * Fully Independent Clock Circuit © Buffered Outputs description Thess synchronous p

TI

德州仪器

SYNCHRONOUS 4-BIT UP/DOWN COUNTER

SYNCHRONOUS 4-BIT UP/DOWN COUNTER The SN54 /74LS669 is a synchronous 4-bit up/down counter. The LS669 is a 4-bit binary counter. For high speed counting applications, this presettable counter features an internal carry lookahead for cascading purposes. By clocking all flip-flops simultaneousl

Motorola

摩托罗拉

SYNCHRONOUS 4-BIT UP/DOWN COUNTERS

文件:481.95 Kbytes Page:12 Pages

TI

德州仪器

SYNCHRONOUS 4-BIT UP/DOWN COUNTERS

文件:481.95 Kbytes Page:12 Pages

TI

德州仪器

更新时间:2025-11-22 14:54:00
IC供应商 芯片型号 品牌 批号 封装 库存 备注 价格
MOTOROLA/摩托罗拉
2402+
DIP16
8324
原装正品!实单价优!
SN54LS669J
25+
15
15
TI(德州仪器)
24+
CDIP24
1476
原装现货,免费供样,技术支持,原厂对接
TI
25+23+
DIP
36155
绝对原装正品全新进口深圳现货
TI
24+
6000
原装现货,特价销售
TI
24+
DIP24
39
只做原装,欢迎询价,量大价优
TI/TEXAS
NEW
原厂封装
8931
代理全系列销售, 全新原装正品,价格优势,长期供应,量大可订
TI
25+
DIP-16..
22
全新现货
TI
25+
DIP
4500
全新原装、诚信经营、公司现货销售!
TI
24+
26

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