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PDF 74LS191 ( 数据表 )

零件编号 功能 ( 描述 ) 制造商 PDF
4 74LS191   Synchronous 4-Bit Up/Down Counter with Mode Control

DM74LS191 Synchronous 4-Bit Up/Down Counter with Mode Control August 1986 Revised February 1999 DM74LS191 Synchronous 4-Bit Up/Down Counter with Mode Control General Description The DM74LS

Fairchild Semiconductor
Fairchild Semiconductor
PDF
3 74LS191   Synchronous Up/Down 4-bit Binary Counters(single clock line)

19.20 20.00 Max 16 9 7.40 Max 6.30 Unit: mm 1 1.3 1.11 Max 8 0.51 Min 2.54 Min 5.06 Max 7.62 2.54 ± 0.25 0.48 ± 0.10 0.25 – 0.05 0° – 15° Hitachi Code JEDEC EIAJ Weight (ref

Hitachi Semiconductor
Hitachi Semiconductor
PDF
2 74LS191   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 synchronou

Motorola Semiconductors
Motorola Semiconductors
PDF
1 74LS191   Synchronous Up/Down Counters With Down/Up Mode Control

Texas Instruments
Texas Instruments
PDF



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