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HEF4526BT,653 PDF预览

HEF4526BT,653

更新时间: 2024-09-29 14:50:51
品牌 Logo 应用领域
恩智浦 - NXP 光电二极管输出元件逻辑集成电路触发器
页数 文件大小 规格书
19页 138K
描述
HEF4526B - Programmable 4-bit binary down counter SOP 16-Pin

HEF4526BT,653 技术参数

是否Rohs认证: 符合生命周期:Obsolete
零件包装代码:SOP包装说明:SOP, SOP16,.25
针数:16Reach Compliance Code:compliant
HTS代码:8542.39.00.01风险等级:5.38
其他特性:TCO OUTPUT; GATED CLOCK计数方向:DOWN
系列:4000/14000/40000JESD-30 代码:R-PDSO-G16
JESD-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:BINARY COUNTER最大频率@ Nom-Sup:6000000 Hz
工作模式:SYNCHRONOUS湿度敏感等级:1
位数:4功能数量:1
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封装等效代码:SOP16,.25
封装形状:RECTANGULAR封装形式:SMALL OUTLINE
包装方法:TAPE AND REEL峰值回流温度(摄氏度):260
电源:5/15 V传播延迟(tpd):300 ns
认证状态:Not Qualified座面最大高度:1.75 mm
子类别:Counters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 (Ni/Pd/Au)
端子形式:GULL WING端子节距:1.27 mm
端子位置:DUAL处于峰值回流温度下的最长时间:30
触发器类型:POSITIVE EDGE宽度:3.9 mm
最小 fmax:32 MHzBase Number Matches:1

HEF4526BT,653 数据手册

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HEF4526B  
Programmable 4-bit binary down counter  
Rev. 5 — 22 November 2011  
Product data sheet  
1. General description  
The HEF4526B is a synchronous programmable 4-bit binary down counter with active  
HIGH and active LOW clock inputs (CP0, CP1), an asynchronous parallel load input (PL),  
four parallel inputs (A0 to A3), a cascade feedback input (CF), four buffered parallel  
outputs (Q0 to Q3), a terminal count output (TC), an overriding asynchronous master  
reset input (MR) and a decoded TC output that can be used for divide-by-n applications.  
In single stage applications the TC output is connected to PL. CF allows cascade  
divide-by-n operation with no additional gates required.  
Information on A0 to A3 is loaded into the counter while PL is HIGH, independent of all  
other inputs except MR, which must be LOW. When PL and CP1 are LOW, the counter  
advances on a LOW-to-HIGH transition of CP0. When PL is LOW and CP0 is HIGH, the  
counter advances on a HIGH to LOW transition of CP1. TC is HIGH when the counter is in  
the zero state (Q0 = Q1 = Q2 = Q3 = LOW) and CF is HIGH and PL is LOW. A HIGH on  
MR resets the counter (Q0 to Q3 = LOW) independent of other inputs. The clock input is  
highly tolerant of slower clock rise and fall times due to Schmitt trigger action.  
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.  
2. Features and benefits  
Fully static operation  
5 V, 10 V, and 15 V parametric ratings  
Standardized symmetrical output characteristics  
Specified from 40 C to +85 C  
Complies with JEDEC standard JESD 13-B  
3. Ordering information  
Table 1.  
Ordering information  
All types operate from 40 C to +85 C.  
Type number  
Package  
Name  
Description  
Version  
HEF4526BP  
HEF4526BT  
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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