| 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 | FAIRCHILD | | |
Synchronous 4-Bit Up/Down Counters with Mode Control | NSC 国半 | NSC | | |
Ouadruple 2-input Positive NAND Gates | HITACHIHitachi Semiconductor 日立日立公司 | HITACHI | | |
Synchronous Up / Down 4-bit Binary Counter (single clock line) | RENESAS 瑞萨 | RENESAS | | |
Synchronous Up/Down 4-bit Binary Counters(single clock line) | HITACHIHitachi Semiconductor 日立日立公司 | HITACHI | | |
Synchronous Up / Down 4-bit Binary Counter (single clock line) | RENESAS 瑞萨 | RENESAS | | |
SYNCHRONOUS UP/DOWN COUNTERS WITH DOWN/UP MODE CONTROL | TI 德州仪器 | TI | | |
PRESETTABLE BCD/DECADE UP/DOWN COUNTERS PRESETTABLE 4-BIT BINARY UP/DOWN COUNTERS | MOTOROLA 摩托罗拉 | MOTOROLA | | |
SYNCHRONOUS UP/DOWN COUNTERS WITH DOWN/UP MODE CONTROL | TI 德州仪器 | TI | |
| IC供应商 | 芯片型号 | 品牌 | 批号 | 封装 | 库存 | 备注 | 价格 |
|---|---|---|---|---|---|---|---|
MOT |
23+ |
NA |
20000 |
全新原装假一赔十 |
|||
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 |
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MB74LS191规格书下载地址
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DdatasheetPDF页码索引
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