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HEF4518BT-T PDF预览

HEF4518BT-T

更新时间: 2024-11-03 21:17:59
品牌 Logo 应用领域
恩智浦 - NXP 输入元件光电二极管逻辑集成电路触发器
页数 文件大小 规格书
14页 132K
描述
IC 4000/14000/40000 SERIES, SYN POSITIVE EDGE TRIGGERED 4-BIT UP DECADE COUNTER, PDSO16, 3.90 MM, PLASTIC, MS-012, SOT109-1, SOP-16, Counter

HEF4518BT-T 技术参数

生命周期:Active零件包装代码:SOIC
包装说明:SOP,针数:16
Reach Compliance Code:unknownHTS代码:8542.39.00.01
风险等级:5.2其他特性:GATED CLOCK; SCHMITT TRIGGER ON CLOCK INPUT
计数方向:UP系列:4000/14000/40000
JESD-30 代码:R-PDSO-G16JESD-609代码:e4
长度:9.9 mm负载电容(CL):50 pF
负载/预设输入:YES逻辑集成电路类型:DECADE COUNTER
工作模式:SYNCHRONOUS位数:4
功能数量:2端子数量:16
最高工作温度:85 °C最低工作温度:-40 °C
封装主体材料:PLASTIC/EPOXY封装代码:SOP
封装形状:RECTANGULAR封装形式:SMALL OUTLINE
传播延迟(tpd):240 ns认证状态:Not Qualified
座面最大高度:1.75 mm最大供电电压 (Vsup):15 V
最小供电电压 (Vsup):3 V标称供电电压 (Vsup):5 V
表面贴装:YES技术:CMOS
温度等级:INDUSTRIAL端子面层:NICKEL PALLADIUM GOLD
端子形式:GULL WING端子节距:1.27 mm
端子位置:DUAL触发器类型:POSITIVE EDGE
宽度:3.9 mm最小 fmax:20 MHz
Base Number Matches:1

HEF4518BT-T 数据手册

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HEF4518B  
Dual BCD counter  
Rev. 06 — 10 December 2009  
Product data sheet  
1. General description  
The HEF4518B is a dual 4-bit internally synchronous BCD counter. The counter has an  
active HIGH clock input (nCP0) and an active LOW clock input (nCP1), buffered outputs  
from all four bit positions (nQ0 to nQ3) and an active HIGH overriding asynchronous  
master reset input (nMR). The counter advances on either the LOW-to-HIGH transition of  
the nCP0 input if nCP1 is HIGH or the HIGH-to-LOW transition of the nCP1 input if nCP0  
is LOW. Either nCP0 or nCP1 may be used as the clock input to the counter and the other  
clock input may be used as a clock enable input. A HIGH on nMR resets the counter (nQ0  
to nQ3 = LOW) independent of nCP0, nCP1. Schmitt trigger action in the clock input  
makes the circuit highly tolerant of slower clock rise and fall times.  
It operates over a recommended VDD power supply range of 3 V to 15 V referenced to VSS  
(usually ground). Unused inputs must be connected to VDD, VSS, or another input. It is  
also suitable for use over the full industrial (40 °C to +85 °C) temperature range.  
2. Features  
„ Tolerant of slow clock rise and fall times  
„ Fully static operation  
„ 5 V, 10 V, and 15 V parametric ratings  
„ Standardized symmetrical output characteristics  
„ Operates across the full industrial temperature range 40 °C to +85 °C  
„ Complies with JEDEC standard JESD 13-B  
3. Applications  
„ Multistage synchronous counting  
„ Multistage asynchronous counting  
„ Frequency dividers  
4. Ordering information  
Table 1.  
Ordering information  
All types operate from 40 °C to +85 °C  
Type number  
Package  
Name  
Description  
Version  
HEF4518BP  
HEF4518BT  
DIP16  
SO16  
plastic dual in-line package; 16 leads (300 mil)  
plastic small outline package; 16 leads; body width 3.9 mm  
SOT38-4  
SOT109-1  

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