74HC42
182
-/-
原装现货 特价清库存
74HC42
5000
-/21+
诚信经营...品质保证..价格优势...可提供一站式配套
74HC42
1404978
DIP16/24+
XBLW一级代理,支持实单
74HC42
80000
-/23+
原装现货
74HC42
5000
07+/23+
原装库存,提供优质服务
74HC42
5000
07+/24+
优势渠道现货,提供一站式配单服务
74HC42
5000
07+/26+
全新原装现货,一站式配单服务
74HC42
105000
SOP/23+
终端可以免费供样,支持BOM配单
74HC42
35542
SMD16/25+
原装认证有意请来电或QQ洽谈
74HC42
8700
SMD16/2023+
原装现货
74HC42
5000
SMD16/23+
优势产品大量库存原装现货
74HC42
41608
SMD16/26+
只做原装,专注提供BOM配单服务
74HC42
3000
07+/DIP
原装正品热卖,价格优势
74HC42
6500
97+/23+
只做原装现货
74HC42
6010
SOP/23+
公司原装现货
74HC42
521010
NR/2017+
-
74HC42
613
-/-
公司现货,进口原装热卖
74HC42
526
07+/24+
只做原装,专注海外现货订购20年
74HC42
927427
SOP/22+
可查官网https//www.icscjh.com/
74HC42
BCD to decimal decoder 1-of-10
PHILIPS
74HC42PDF下载
74HC42
BCD to decimal decoder 1-of-10
PHILIPS [NXP Semiconductors]
74HC42PDF下载
74HC423
Dual retriggerable monostable multiv...
PHILIPS
74HC423PDF下载
74HC423
Dual retriggerable monostable multiv...
PHILIPS [NXP Semiconductors]
74HC423PDF下载
74HC42D
BCD to decimal decoder 1-of-10
PHILIPS
74HC42DPDF下载
74HC42D
BCD to decimal decoder 1-of-10
PHILIPS [NXP Semiconductors]
74HC42DPDF下载
74HC42N
BCD to decimal decoder 1-of-10
PHILIPS
74HC42NPDF下载
74HC42N
BCD to decimal decoder 1-of-10
PHILIPS [NXP Semiconductors]
74HC42NPDF下载
74HC423D
Dual retriggerable monostable multiv...
PHILIPS
74HC423DPDF下载
74HC423D
Dual retriggerable monostable multiv...
PHILIPS [NXP Semiconductors]
74HC423DPDF下载
译码器(双列16脚)
如图中所示是由十进制计数器74hc90、4-10线译码器74hc42、数据选择器74hc150组成数字分频电路,该分频电路分频系数可以在1~9变化。 分频电路 在图中,计数器74hc90输出的二-十进制数送至译码器74hc42,译码器输出为十进制数。分频系数由数据选择器74hc150确定。根据数据选择器选择输入端a~d的状态,74hcl50每次被选中的通道有所不同。同时其选通输入端s的低电平反馈到计数器74hc90的复位端r0,即每次计数周期结束时输出一个脉冲,该脉冲同时使计数器74hc90复位。输出脉冲宽度为60ns,它由电路的传输延迟时间决定。使用这种非分频器级联,可以构成更大分频系数。 来源:78458yy
0 level down converter 电平变低器74hc4051 8-ch analog mux 8通道多路器74hc4052 4-ch analog mux 4通道多路器74hc4053 2-ch analog mux 2通道多路器74hc4060 14-stage binary counter 14阶bin计数74hc4066 quad analog mux 四通道多路器74hc4075 triple 3-input or gate 3输入或门74hc42 bcd to decimal bcd转十进制译码器74hc423a retriggerable monostab 可重触发单稳74hc4511 bcd-7 seg driver/decoder 7段译码器74hc4514 4-16 line decoder 4至16线译码器74hc4538a retriggerab monostab 可重触发单稳74hc4543 lcd bcd-7 seg lcd用的bcd-7段译码驱动74hc51 and or gate inverter