型号 功能描述 生产厂家 企业 LOGO 操作
SN74LS191N.A

SYNCHRONOUS UP/DOWN COUNTERS WITH DOWN/UP MODE CONTROL

Counts 8-4-2-1 BCD or Binary Single Down/Up Count Control Line Count Enable Control Input Ripple Clock Output for Cascading Asynchronously Presettable with Load Control Parallel Outputs Cascadable for n-Bit Applications

TI

德州仪器

Synchronous 4-Bit Up/Down Counter with Mode Control

General Description The DM74LS191 circuit is a synchronous, reversible, up/down counter. Synchronous operation is provided by having all flip-flops clocked simultaneously, so that the outputs change simultaneously when so instructed by the steering logic. This mode of operation eliminates the out

Fairchild

仙童半导体

Synchronous Up/Down 4-bit Binary Counters(single clock line)

● Quadrupie 2-Input Positive NAND Gates ● Quadruple 2-Input Positive NAND Gates (with Open Collector Output) (Continue....)

HitachiHitachi Semiconductor

日立日立公司

PRESETTABLE BCD/DECADE UP/DOWN COUNTERS PRESETTABLE 4-BIT BINARY UP/DOWN COUNTERS

PRESETTABLE BCD/DECADE UP/DOWN COUNTERS PRESETTABLE 4-BIT BINARY UP/DOWN COUNTERS The SN54/74LS190 is a synchronous UP/DOWN BCD Decade (8421) Counter and the SN54/74LS191 is a synchronous UP/DOWN Modulo-16 Binary Counter. State changes of the counters are synchronous with the LOW-to-HIGH transit

Motorola

摩托罗拉

Synchronous 4-Bit Up/Down Counter with Mode Control

General Description The DM74LS191 circuit is a synchronous, reversible, up/down counter. Synchronous operation is provided by having all flip-flops clocked simultaneously, so that the outputs change simultaneously when so instructed by the steering logic. This mode of operation eliminates the out

Fairchild

仙童半导体

Synchronous 4-Bit Up/Down Counters with Mode Control

文件:174.74 Kbytes Page:8 Pages

NSC

国半

更新时间:2025-11-20 23:00:00
IC供应商 芯片型号 品牌 批号 封装 库存 备注 价格
TI(德州仪器)
24+
SO16208mil
7350
现货供应,当天可交货!免费送样,原厂技术支持!!!
TI(德州仪器)
24+
SO16208mil
2886
原装现货,免费供样,技术支持,原厂对接
TI
21+
SOP
1625
只做原装正品,不止网上数量,欢迎电话微信查询!
TI
22+
16SO
9000
原厂渠道,现货配单
TI
23+
NA
20000
TI
23+
SOP
7000
绝对全新原装!100%保质量特价!请放心订购!
TI
23+
SOP
3200
正规渠道,只有原装!
TI/德州仪器
23+
NA
11200
原厂授权一级代理、全球订货优势渠道、可提供一站式BO
TEXA
24+
DIP16P
6868
原装现货,可开13%税票
MOTOROLA/摩托罗拉
25+
DIP16
30000
原装现货,假一赔十.

SN74LS191N.A数据表相关新闻