型号 功能描述 生产厂家 企业 LOGO 操作

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

替换型号 功能描述 生产厂家 企业 LOGO 操作

Synchronous 4-Bit Up/Down Counter with Mode Control

FAIRCHILD

仙童半导体

Synchronous 4-Bit Up/Down Counters with Mode Control

NSC

国半

Ouadruple 2-input Positive NAND Gates

HITACHIHitachi Semiconductor

日立日立公司

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

RENESAS

瑞萨

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

HITACHIHitachi Semiconductor

日立日立公司

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

RENESAS

瑞萨

SYNCHRONOUS UP/DOWN COUNTERS WITH DOWN/UP MODE CONTROL

TI

德州仪器

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

MOTOROLA

摩托罗拉

SYNCHRONOUS UP/DOWN COUNTERS WITH DOWN/UP MODE CONTROL

TI

德州仪器

更新时间:2026-2-3 22:30:02
IC供应商 芯片型号 品牌 批号 封装 库存 备注 价格
24+
DIP
80000
只做自己库存 全新原装进口正品假一赔百 可开13%增
MITSUBISHI/三菱
2026+
DIP16
54648
百分百原装现货 实单必成 欢迎询价
SIGN
23+
NA
9856
原装正品,假一罚百!
FUJI/富士电机
24+
DIP
880000
明嘉莱只做原装正品现货
ST
23+
DIP16
16900
正规渠道,只有原装!
74LS191N
25+
1
1
FSC
25+
SOP
17500
公司常备大量原装正品现货!量大价优!
SSS
25+23+
DIP16
18784
绝对原装正品全新进口深圳现货
TI
25+
sop
3200
全新原装、诚信经营、公司现货销售
SIG
2025+
DIP
975
原装进口价格优 请找坤融电子!

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