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M74HCT244B1R PDF预览

M74HCT244B1R

更新时间: 2024-10-01 22:15:19
品牌 Logo 应用领域
意法半导体 - STMICROELECTRONICS 总线驱动器总线收发器逻辑集成电路光电二极管输出元件
页数 文件大小 规格书
12页 264K
描述
OCTAL BUS BUFFER WITH 3 STATE OUTPUTS HCT240: INVERTED - HCT241/244 NON INVERTED

M74HCT244B1R 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:DIP
包装说明:DIP, DIP20,.3针数:20
Reach Compliance Code:compliantHTS代码:8542.39.00.01
风险等级:7.04Is Samacsys:N
控制类型:ENABLE LOW系列:HCT
JESD-30 代码:R-PDIP-T20JESD-609代码:e3
负载电容(CL):150 pF逻辑集成电路类型:BUS DRIVER
最大I(ol):0.006 A湿度敏感等级:1
位数:4功能数量:2
端口数量:2端子数量:20
最高工作温度:125 °C最低工作温度:-55 °C
输出特性:3-STATE输出极性:TRUE
封装主体材料:PLASTIC/EPOXY封装代码:DIP
封装等效代码:DIP20,.3封装形状:RECTANGULAR
封装形式:IN-LINE包装方法:TUBE
峰值回流温度(摄氏度):NOT APPLICABLE电源:5 V
Prop。Delay @ Nom-Sup:38 ns传播延迟(tpd):50 ns
认证状态:Not Qualified座面最大高度:3.93 mm
子类别:Bus Driver/Transceivers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:NO技术:CMOS
温度等级:MILITARY端子面层:Matte Tin (Sn)
端子形式:THROUGH-HOLE端子节距:2.54 mm
端子位置:DUAL处于峰值回流温度下的最长时间:NOT APPLICABLE
宽度:7.62 mmBase Number Matches:1

M74HCT244B1R 数据手册

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M54HCT240/241/244  
M74HCT240/241/244  
OCTAL BUS BUFFER WITH 3 STATE OUTPUTS  
HCT240: INVERTED - HCT241/244 NON INVERTED  
.
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HIGH SPEED  
PD = 13 ns (TYP.) at VCC = 5V  
t
LOW POWER DISSIPATION  
ICC = 4 µA (MAX.) at TA = 25 oC  
COMPATIBLE WITH TTL OUTPUTS  
V
IH = 2V (MIN.) VIL = 0.8V (MAX)  
OUTPUT DRIVE CAPABILITY  
15 LSTTL LOADS  
SYMMETRICAL OUTPUT IMPEDANCE  
|IOH| = IOL = 6 mA (MIN)  
BALANCED PROPAGATION DELAYS  
tPLH = tPHL  
PIN AND FUNCTION COMPATIBLE  
WITH 54/74LS240/241/244  
B1R  
(Plastic Package)  
F1R  
(Ceramic Package)  
M1R  
(Micro Package)  
C1R  
(Chip Carrier)  
ORDER CODES :  
M54HCTXXXF1R  
M74HCTXXXM1R  
M74HCTXXXB1R  
M74HCTXXXC1R  
DESCRIPTION  
The M54/74HCT240, HCT241 and HCT244 are  
high speed CMOS OCTAL BUS BUFFERs  
fabricated in silicon gate C2MOS technology.  
They have the same high speed performance of  
LSTTL combined with true CMOS low power  
consumption. The designer has a choise of select  
combination of inverting and non-inverting outputs,  
symmetrical G (active low output control) input, and  
complementary G and G inputs. Each control input  
governs four BUS BUFFERs.  
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.  
These devices are designed to be used with 3 state  
memory address drivers, etc.  
All inputs are equipped with protection circuits  
against static discharge and transient excess  
voltage.  
This integrated circuit has input and output  
PIN CONNECTION (top view)  
HCT240  
HCT241  
HCT244  
September 1993  
1/12  

M74HCT244B1R 替代型号

型号 品牌 替代类型 描述 数据表
SN74HCT244NE4 TI

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CD74HCT244E TI

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