Datasheet Texas Instruments SN74LS191NSR — 数据表

具有向上/向下模式控制的同步4位向上/向下计数器16-SO 0至70

数据表

PDF, 1.1 Mb, 档案已发布: Mar 1, 1988

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Lifecycle Status	Active (Recommended for new designs)
Manufacture's Sample Availability	No

Bits	4
F @ Nom Voltage(Max)	35 Mhz
Function	Counter
ICC @ Nom Voltage(Max)	105 mA
Operating Temperature Range	0 to 70 C
Output Drive (IOL/IOH)(Max)	16/-0.8 mA
Package Group	SO
Package Size: mm2:W x L	16SO: 80 mm2: 7.8 x 10.2(SO) PKG
Rating	Catalog
Technology Family	LS
Type	Binary
VCC(Max)	5.25 V
VCC(Min)	4.75 V
Voltage(Nom)	5 V
tpd @ Nom Voltage(Max)	52 ns

RoHS

Compliant

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Designing with the SN54/74LS123 (Rev. A)
PDF, 118 Kb, 修订版: A, 档案已发布: Mar 1, 1997
The Texas Instruments (TI) SN54/74LS123 dual retriggerable monostable multivibrator is a one-shot device capable of verylong output pulses and up to 100% duty cycle. The ?LS123 also features dc triggering from gated low-level active A andhigh-level active B inputs and provides a clear input that terminates the output pulse of any predetermined time independentof timing components R ext and

系列: SN74LS191 (5)