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SN74LS191价格

参考价格：￥3.0852

型号：SN74LS191D 品牌：TI 备注：这里有SN74LS191多少钱，2026年最近7天走势，今日出价，今日竞价，SN74LS191批发/采购报价，SN74LS191行情走势销售排行榜，SN74LS191报价。

型号	功能描述	生产厂家企业	LOGO
SN74LS191	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	TI
SN74LS191	具有加/减模式控制的同步 4 位加/减计数器 The '190, 'LS190, '191, and 'LS191 are synchronous, reversible up/down counters having a complexity of 58 equivalent gates. The '191 and 'LS191 are 4-bit binary counters and the '190 and 'LS190 are BCD counters. Synchronous operation is provided by having all flip-flops clocked simultaneously so tha • 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	TI
SN74LS191	SYNCHRONOUS UP/DOWN COUNTERS WITH DOWN/UP MODE CONTROL 文件：512.63 Kbytes Page：14 Pages	TI 德州仪器	TI
SN74LS191	SYNCHRONOUS UP/DOWN COUNTERS WITH DOWN/UP MODE CONTROL 文件：1.06224 Mbytes Page：16 Pages	TI 德州仪器	TI
SN74LS191D	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	TI
SN74LS191D	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	MOTOROLA
SN74LS191DR	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	TI
SN74LS191DR.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	TI
SN74LS191N	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	TI
SN74LS191N	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	MOTOROLA
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	TI
SN74LS191NSR	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	TI
SN74LS191NSR.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	TI
SN74LS191D	SYNCHRONOUS UP/DOWN COUNTERS WITH DOWN/UP MODE CONTROL 文件：1.06224 Mbytes Page：16 Pages	TI 德州仪器	TI
SN74LS191D	SYNCHRONOUS UP/DOWN COUNTERS WITH DOWN/UP MODE CONTROL 文件：512.63 Kbytes Page：14 Pages	TI 德州仪器	TI
SN74LS191DE4	SYNCHRONOUS UP/DOWN COUNTERS WITH DOWN/UP MODE CONTROL 文件：1.06224 Mbytes Page：16 Pages	TI 德州仪器	TI
SN74LS191DE4	封装/外壳：16-SOIC（0.154"，3.90mm 宽）包装：卷带（TR）描述：IC SYNC 4-BIT UP/DN CNTR 16-SOIC 集成电路（IC）计数器，除法器	TI 德州仪器	TI
SN74LS191DR	封装/外壳：16-SOIC（0.154"，3.90mm 宽）包装：卷带（TR）剪切带（CT）Digi-Reel® 得捷定制卷带描述：IC SYNC 4-BIT UP/DN CNTR 16-SOIC 集成电路（IC）计数器，除法器	TI 德州仪器	TI
SN74LS191DR	SYNCHRONOUS UP/DOWN COUNTERS WITH DOWN/UP MODE CONTROL 文件：1.06224 Mbytes Page：16 Pages	TI 德州仪器	TI
SN74LS191N	SYNCHRONOUS UP/DOWN COUNTERS WITH DOWN/UP MODE CONTROL 文件：512.63 Kbytes Page：14 Pages	TI 德州仪器	TI
SN74LS191N	SYNCHRONOUS UP/DOWN COUNTERS WITH DOWN/UP MODE CONTROL 文件：1.06224 Mbytes Page：16 Pages	TI 德州仪器	TI
SN74LS191NSR	SYNCHRONOUS UP/DOWN COUNTERS WITH DOWN/UP MODE CONTROL 文件：1.06224 Mbytes Page：16 Pages	TI 德州仪器	TI

替换型号	功能描述	生产厂家企业	LOGO
DM74LS191N	Synchronous 4-Bit Up/Down Counters with Mode Control	NSC 国半	NSC
DM74LS191N	Synchronous 4-Bit Up/Down Counter with Mode Control	FAIRCHILD 仙童半导体	FAIRCHILD
HD74LS191	Synchronous Up/Down 4-bit Binary Counters(single clock line)	HITACHIHitachi Semiconductor 日立日立公司	HITACHI
HD74LS191	Ouadruple 2-input Positive NAND Gates	HITACHIHitachi Semiconductor 日立日立公司	HITACHI
HD74LS191	Synchronous Up / Down 4-bit Binary Counter (single clock line)	RENESAS 瑞萨	RENESAS
HD74LS191P	Synchronous Up / Down 4-bit Binary Counter (single clock line)	RENESAS 瑞萨	RENESAS

SN74LS191产品属性

类型
描述
VCC(Min)(V)：
4.75
VCC(Max)(V)：
5.25
Bits(#)：
4
Voltage(Nom)(V)：
5
F @ nom voltage(Max)(MHz)：
35
ICC @ nom voltage(Max)(mA)：
105
tpd @ nom Voltage(Max)(ns)：
52
IOL(Max)(mA)：
16
IOH(Max)(mA)：
-0.8
Function：
Counter
Type：
Binary
Rating：
Catalog
Operating temperature range(C)：
0 to 70
Package Group：
PDIP

SN74LS191供应商更多...

更新时间：2026-5-19 9:11:00

IC供应商	芯片型号	品牌	批号	封装	库存	备注	价格
上海磐岳电子有限公司	SN74LS191N	TI	2023+	DIP	5800	进口原装,现货热卖	询价
上海凌岳电子科技有限公司（上海涵恩科技）	SN74LS191N	TI	2023+		21000	进口原装现货	询价
深圳市毅创腾电子科技有限公司	SN74LS191NSR	TI	23+	SOP	7000	绝对全新原装!100%保质量特价!请放心订购!	询价
深圳市能创芯电子科技有限公司	SN74LS191N	TEXAS INSTRUMENTS	23+	PDIP16	9600	全新原装正品!一手货源价格优势!	询价
深圳市华高宇电子有限公司	SN74LS191DR	TI/德州仪器		SOIC-16_150mil	6000	只做原装正品,卖元器件不赚钱交个朋友	询价
深圳市博中泰实业有限公司	SN74LS191DR	TI/德州仪器	25+	SOP16	90000	全新原装现货	询价
深圳市芯国创科技有限公司	SN74LS191NSR	TI/德州仪器	25+	原厂封装	10280		询价
深圳市福田区绿盛电子商行	SN74LS191N	TI	2018+		26976	代理原装现货/特价热卖!	询价
深圳市斌能达电子科技有限公司	SN74LS191DR	TI/德州仪器	24+	SOIC-16_150mil	6000	全新原装深圳仓库现货有单必成	询价
深圳市昌和盛利电子有限公司	SN74LS191N	TI/TEXAS	26+	DIP-16	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	询价

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SN74LS191规格书下载地址

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找IC，尽在114IC

SN74LS191价格

SN74LS191产品属性

SN74LS191供应商更多...

SN74LS191芯片相关品牌

SN74LS191规格书下载地址

SN74LS191参数引脚图相关

SN74LS191数据表相关新闻

SN74LS193DR

SN74LS164N 原装现货 假一赔十

SN74LS191NS，SN74LS193NS，SN74LV06APWR，SN74LUC16245DGVR，SN74LV00APW

SN74LS245N

SN74LS165AN公司原装现货

SN74LS164N公司原装现货

DdatasheetPDF页码索引

SN74LS164N 原装现货假一赔十