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首页产品索引MC74HC390A

MC74HC390A

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 Dual 4-Stage Binary Ripple Counter with ÷2 and ÷5 Sections

制造商:ON

中文数据手册

产品信息

High-Performance Silicon-Gate CMOS
The MC74HC390A is identical in pinout to the LS390. The device inputs are compatible with standard CMOS outputs; with pullup resistors,they are compatible with LSTTL outputs.
This device consists of two independent 4-bit counters, each composed of a divide-by-two and a divide-by-five section. The divide-by-two and divide-by-five counters have separate clock inputs, and can be cascaded to implement various combinations of divide-by-2 and/or divide-by-5 up to a divide-by-100 counter.
Flip-flops internal to the counters are triggered by high-to-low transitions of the clock input. A separate, asynchronous reset is provided for each 4-bitcounter. State changes of the Q outputs do not occur simultaneously because of internal ripple delays. Therefore, decoded output signals are subject to decoding spikes and should not be used as clocks or strobes except when gated with the Clock of the HC390A.
  • Output Drive Capability: 10 LSTTL Loads
  • Outputs Directly Interface to CMOS, NMOS, and TTL
  • Operating Voltage Range: 2 to 6 V
  • Low Input Current: 1
  • A
  • High Noise Immunity Characteristic of CMOS Devices
  • In Compliance with the Requirements Defined by JEDEC Standard No 7A
  • Chip Complexity: 244 FETs or 61 Equivalent Gates
  • Pb-Free Packages are Available*

电路图、引脚图和封装图

在线购买

型号制造商描述购买
NLV74HC390ADR2GON 立即购买
MC74HC390ADTR2GON 立即购买
MC74HC390ADGON 立即购买
MC74HC390ADR2GON 立即购买

技术资料

标题类型大小(KB)下载
Dual 4-Stage Binary Ripple Counter with Divide-By-2 and Divide-By-5 SectionsPDF121 点击下载
SOIC 16 LEADPDF37 点击下载
SOIC-20 WBPDF35 点击下载
TSSOP-16PDF40 点击下载
MC74HC390A_PKG.GIFUNKNOW9 点击下载

应用案例更多案例

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