DUAL DECADE COUNTER

The SN54/74LS490 contains a pair of high-speed 4-stage ripple counters. Each half of the SN54/74LS490 has individual Clock, Master Reset and Master Set (Preset 9) inputs. Each section counts in the 8, 4, 2, 1 BCD code. ? Dual Version of SN54/74LS490 ? Individual Asynchronous Clear and Preset to

文件：161.86 Kbytes 頁數(shù)：5 Pages

MOTOROLA

摩托羅拉

DUAL DECADE COUNTER

The SN54/74LS490 contains a pair of high-speed 4-stage ripple counters. Each half of the SN54/74LS490 has individual Clock, Master Reset and Master Set (Preset 9) inputs. Each section counts in the 8, 4, 2, 1 BCD code. ? Dual Version of SN54/74LS490 ? Individual Asynchronous Clear and Preset to

文件：161.86 Kbytes 頁數(shù)：5 Pages

MOTOROLA

摩托羅拉

Ouadruple 2-input Positive NAND Gates

文件：6.85482 Mbytes 頁數(shù)：273 Pages

HITACHIHitachi Semiconductor

日立日立公司

BCD-to-Seven Segment Decoder Driver(with Open collector outputs)

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

文件：66.91 Kbytes 頁數(shù)：5 Pages

HITACHIHitachi Semiconductor

日立日立公司

DUAL DECADE COUNTER

The SN54/74LS490 contains a pair of high-speed 4-stage ripple counters. Each half of the SN54/74LS490 has individual Clock, Master Reset and Master Set (Preset 9) inputs. Each section counts in the 8, 4, 2, 1 BCD code. ? Dual Version of SN54/74LS490 ? Individual Asynchronous Clear and Preset to

文件：161.86 Kbytes 頁數(shù)：5 Pages

MOTOROLA

摩托羅拉