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M74HCT688M1R PDF预览

M74HCT688M1R

更新时间: 2024-09-16 22:24:11
品牌 Logo 应用领域
意法半导体 - STMICROELECTRONICS 比较器
页数 文件大小 规格书
10页 245K
描述
8 BIT EQUALITY COMPARATOR

M74HCT688M1R 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Obsolete零件包装代码:SOIC
包装说明:SOP, SOP20,.4针数:20
Reach Compliance Code:compliantHTS代码:8542.39.00.01
风险等级:5.52其他特性:CASCADABLE
系列:HCTJESD-30 代码:R-PDSO-G20
JESD-609代码:e4长度:12.8 mm
负载电容(CL):50 pF逻辑集成电路类型:IDENTITY COMPARATOR
位数:8功能数量:1
端子数量:20最高工作温度:125 °C
最低工作温度:-55 °C输出极性:INVERTED
封装主体材料:PLASTIC/EPOXY封装代码:SOP
封装等效代码:SOP20,.4封装形状:RECTANGULAR
封装形式:SMALL OUTLINE峰值回流温度(摄氏度):NOT SPECIFIED
电源:5 V传播延迟(tpd):48 ns
认证状态:Not Qualified座面最大高度:2.65 mm
子类别:Arithmetic Circuits最大供电电压 (Vsup):5.5 V
最小供电电压 (Vsup):4.5 V标称供电电压 (Vsup):5 V
表面贴装:YES技术:CMOS
温度等级:MILITARY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:NOT SPECIFIED
宽度:7.5 mmBase Number Matches:1

M74HCT688M1R 数据手册

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M54HCT688  
M74HCT688  
8 BIT EQUALITY COMPARATOR  
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HIGH SPEED  
tPD = 17 ns (TYP.) AT VCC = 5 V  
LOW POWER DISSIPATION  
ICC = 4 µA (MAX.) AT TA = 25 °C  
COMPATIBLE WITH TTL OUTPUTS  
VIH = 2V (MIN.) VIL = 0.8V (MAX)  
OUTPUT DRIVE CAPABILITY  
10 LSTTL LOADS  
SYMMETRICAL OUTPUT IMPEDANCE  
|IOH| = IOL = 4 mA (MIN.)  
BALANCED PROPAGATION DELAYS  
tPLH = tPHL  
PIN AND FUNCTION COMPATIBLE  
B1R  
(Plastic Package)  
F1R  
(Ceramic Package)  
M1R  
(Micro Package)  
C1R  
(Chip Carrier)  
WITH 54/74LS688  
ORDER CODES :  
M54HCT688F1R  
M74HCT688M1R  
M74HCT688B1R  
M74HCT688C1R  
PIN CONNECTIONS (top view)  
DESCRIPTION  
The M54/74HCT688 utilizes silicon gate C2MOS  
technology to achieve operating speeds equivalent  
to LSTTL devices. Along with the low power  
dissipation and high noise immunity of standard  
C2MOS integrated circuit, it possesses the driving  
capability of 10 LSTTL load. The M54/74HCT688  
compares bitforbit two8-bit words applied on inputs  
P0 - P7 and inputs Q0 - Q7 and indicates whether  
or not they are equal. A single active low enable is  
provided to facilitate cascading several packages to  
enable comparison of words greater than 8 bits.  
This integrated circuit has input and output  
characteristics that are fully compatible with 54/74  
LSTTL logic families. M54/74HCT devices are  
designed to directly interface HSC2MOS systems  
with TTL and NMOS components. They are also  
plug in replacements for LSTTL devices giving a  
reduction of power consumption.  
All inputs are equipped with protection circuit  
against static discharge and transient excess  
voltage.  
NC =  
No Internal  
Connection  
February 1993  
1/10  

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