Datasheet Texas Instruments SN74LS490 — 数据表

制造商Texas Instruments
系列SN74LS490

异步十年计数器

数据表

Dual 4-Bit Decade Counters (Rev. A)
PDF, 173 Kb, 修订版: A, 档案已发布: Jul 1, 1998

价格

状态

SN74LS490N
Lifecycle StatusObsolete (Manufacturer has discontinued the production of the device)
Manufacture's Sample AvailabilityNo

打包

SN74LS490N
N1
Pin16
Package TypeN
Industry STD TermPDIP
JEDEC CodeR-PDIP-T
Width (mm)6.35
Length (mm)19.3
Thickness (mm)3.9
Pitch (mm)2.54
Max Height (mm)5.08
Mechanical Data下载

生态计划

SN74LS490N
RoHSNot Compliant
Pb FreeNo

应用须知

  • 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

模型线

系列: SN74LS490 (1)

制造商分类

  • Semiconductors> Logic> Specialty Logic> Counter/Arithmetic/Parity Function