型号 功能描述 生产厂家 企业 LOGO 操作
UPD4990AC

SERIAL I/O CALENDAR & CLOCK CMOS LSI

SEMICONDUCTOR SELECTION GUIDE Microcomputer IC Memory Semi-Custom IC Particular Purpose IC General Purpose Linear IC Transistor / Diode / Thyristor Microwave Device / Consumer Use High Frequency Device Optical Device Packages Index (Quick Reference by Type N

NEC

瑞萨

UPD4990AC

MOS INTEGRATED CIRCUIT

FEATURES • Built-in counters for time (hour, minute, and second) and date (year, month, day, and week) • Leap years are adjusted automatically. • Data is represented in BCD notation (except months in hexadecimal notation) and input/output serially. • Commands can be set by inputting serial dat

RENESAS

瑞萨

PRIMARY CONTROLLER

DESCRIPTION This primary controller I.C., developed in BCD60II technology, has been designed to implement off line or DC-DC power supply applications using a fixed frequency current mode control. Based on a standard current mode PWM control ler this device includes some features as programmable

STMICROELECTRONICS

意法半导体

Surge Clamping, Transient Overvoltage Suppressor Unidirectional

Description: The NTE4900 series of silicon Transient Suppressors designed to protect voltage sensitive components from high energy voltage transients. Transient over voltage suppressor devices have become very important as a consequence of their high surge capability, extremely fast response time

NTE

Progressive scan-Zoom and Noise reduction IC PROZONIC

GENERAL DESCRIPTION The Progressive scan-Zoom and Noise reduction IC, abbreviated as PROZONIC, is designed for applications together with: SAA4951WP Economy Controller (ECO3) SAA4952H (memory controller) SAA7158WP Back END IC (BENDIC) SAA4995WP PANorama IC (PANIC) SAA4970

PHILIPS

飞利浦

Progressive scan-Zoom and Noise reduction IC PROZONIC

GENERAL DESCRIPTION The Progressive scan-Zoom and Noise reduction IC, abbreviated as PROZONIC, is designed for applications together with: SAA4951WP Economy Controller (ECO3) SAA4952H (memory controller) SAA7158WP Back END IC (BENDIC) SAA4995WP PANorama IC (PANIC) SAA4970

PHILIPS

飞利浦

更新时间:2026-3-15 22:30:00
IC供应商 芯片型号 品牌 批号 封装 库存 备注 价格
NEC
24+
DIP14
80000
只做自己库存 全新原装进口正品假一赔百 可开13%增
NEC
2026+
SOP16
54658
百分百原装现货 实单必成
NEC
25+23+
SOP16
34257
绝对原装正品全新进口深圳现货
UPD4990AC
25+
3690
3690
NEC
24+
SOP
15000
全新原装现货假一赔十
NEC
24+
DIP-16
3000
自己现货
NEC
25+
DIP14
2563
全新原装正品支持含税
NEC
18+
SOP
85600
保证进口原装可开17%增值税发票
NEC
22+
SOP16
20000
公司只做原装 品质保证
NEC
2447
DIP
100500
一级代理专营品牌!原装正品,优势现货,长期排单到货

UPD4990AC数据表相关新闻

  • UPD70F3380M2GJA1-GAE-AX微控制器

    UPD70F3380M2GJA1-GAE-AX 进口代理

    2025-8-12
  • UPD30181AYF1-131-GA3-A 瑞智芯 只有原装

    深圳市瑞智芯科技有限公司 联系人:彭先生 QQ:2851196982 直线:0755-82991809 手机:13787628849 邮箱:pc@szruizhixin.com 地址:深圳市福田区中航路42号中航北苑大厦A座6A2 型号:UPD30181AYF1-131-GA3-A 品牌:Renesas 包装:50 封装:BGA240

    2021-9-3
  • UPD720114GA-YEU-AT

    UPD720114GA-YEU-AT,当天发货0755-82732291全新原装现货或门市自取.

    2020-11-22
  • UPD720114GA-9EU-A

    UPD720114GA-9EU-A,当天发货0755-82732291全新原装现货或门市自取.

    2020-11-22
  • UPD16818GR-8JG-步进电机控制器/驱动器

    描述 该mPD16818是单片双H桥驱动器集成电路,它使用其输出级N沟道功率MOS场效应管。通过雇用输出级的功率MOS场效应晶体管,该驱动电路的电压和饱和度大幅提高功耗比传统的驱动电路,使用双极晶体管。此外,驱动电流可以调节,在节电模式下使用外部电阻器。因此,该mPD16818作为一个两相励磁驱动电路的理想,双极步进电机驱动头执行器的一个FDD。 特征 •兼容电源电压3V-/5V- •引脚兼容与mPD16803 •低(顶部和底部的ON电阻马鞍山FET的总和)ON电阻 R

    2013-2-5
  • UPD16813-整体式双H桥驱动器电路

    描述 该mPD16813是单片双H桥驱动电路,在它的驱动级功率MOS场效应管。通过补充P通道和N通道的输出级,电路电流大幅inproved相对于传统电荷泵驱动程序。该mPD16813因此作为2相励磁驱动电路的理想,双极步进电机驱动头部的一个FDD驱动器。 特征 •低(顶部和底部的ON电阻晶体管的总和)ON电阻RON的典型值=2.0瓦特。 •低电流消耗:国际直拨电话= 100 mA最大。 •降噪电路,操作时INC已关闭。 •小型表面贴装封装:16引脚SOP的塑

    2013-2-5