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MC74VHC244DW PDF预览

MC74VHC244DW

更新时间: 2024-11-19 23:05:47
品牌 Logo 应用领域
安森美 - ONSEMI 逻辑集成电路光电二极管驱动
页数 文件大小 规格书
6页 169K
描述
Octal Bus Buffer

MC74VHC244DW 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
零件包装代码:SOIC包装说明:SOP, SOP20,.4
针数:20Reach Compliance Code:not_compliant
HTS代码:8542.39.00.01风险等级:5.05
控制类型:ENABLE LOW系列:AHC/VHC
JESD-30 代码:R-PDSO-G20JESD-609代码:e0
长度:12.8 mm逻辑集成电路类型:BUS DRIVER
最大I(ol):0.008 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:SOP
封装等效代码:SOP20,.4封装形状:RECTANGULAR
封装形式:SMALL OUTLINE包装方法:RAIL
峰值回流温度(摄氏度):NOT SPECIFIED电源:2/5.5 V
Prop。Delay @ Nom-Sup:9.5 ns传播延迟(tpd):14.5 ns
认证状态:Not Qualified座面最大高度:2.65 mm
子类别:Bus Driver/Transceivers最大供电电压 (Vsup):5.5 V
最小供电电压 (Vsup):2 V标称供电电压 (Vsup):3.3 V
表面贴装:YES技术:CMOS
温度等级:MILITARY端子面层:Tin/Lead (Sn/Pb)
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

MC74VHC244DW 数据手册

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SEMICONDUCTOR TECHNICAL DATA  
The MC74VHC244 is an advanced high speed CMOS octal bus buffer  
fabricated with silicon gate CMOS technology. It achieves high speed  
operation similar to equivalent Bipolar Schottky TTL while maintaining  
CMOS low power dissipation.  
The MC74VHC244 is a noninverting 3–state buffer, and has two  
active–low output enables. This device is designed to be used with 3–state  
memory address drivers, etc.  
The internal circuit is composed of three stages, including a buffer output  
which provides high noise immunity and stable output. The inputs tolerate  
voltages up to 7V, allowing the interface of 5V systems to 3V systems.  
DW SUFFIX  
20–LEAD SOIC PACKAGE  
CASE 751D–04  
High Speed: t  
= 3.9ns (Typ) at V  
= 5V  
PD  
Low Power Dissipation: I  
CC  
= 4µA (Max) at T = 25°C  
CC  
NIH  
A
High Noise Immunity: V  
Power Down Protection Provided on Inputs  
Balanced Propagation Delays  
Designed for 2V to 5.5V Operating Range  
= V  
= 28% V  
NIL CC  
DT SUFFIX  
20–LEAD TSSOP PACKAGE  
CASE 948E–02  
Low Noise: V  
= 0.9V (Max)  
OLP  
Pin and Function Compatible with Other Standard Logic Families  
Latchup Performance Exceeds 300mA  
ESD Performance: HBM > 2000V; Machine Model > 200V  
Chip Complexity: 136 FETs or 34 Equivalent Gates  
M SUFFIX  
20–LEAD SOIC EIAJ PACKAGE  
CASE 967–01  
LOGIC DIAGRAM  
ORDERING INFORMATION  
2
4
6
8
18  
16  
14  
12  
MC74VHCXXXDW  
MC74VHCXXXDT  
MC74VHCXXXM  
SOIC  
TSSOP  
SOIC EIAJ  
A1  
A2  
A3  
A4  
YA1  
YA2  
YA3  
YA4  
PIN ASSIGNMENT  
OEA  
1
20  
V
CC  
DATA  
INPUTS  
NONINVERTING  
OUTPUTS  
11  
13  
9
7
A1  
YB4  
A2  
2
3
4
19  
18  
17  
OEB  
YA1  
B4  
B1  
B2  
YB1  
YB2  
YB3  
A3  
5
16  
15  
14  
13  
12  
11  
YA2  
B3  
15  
17  
5
3
B3  
B4  
YB3  
YB4  
6
YB2  
A4  
7
YA3  
B2  
8
YB1  
GND  
9
YA4  
B1  
10  
1
OEA  
OEB  
OUTPUT  
ENABLES  
19  
FUNCTION TABLE  
INPUTS  
OUTPUTS  
YA, YB  
OEA, OEB  
A, B  
L
L
H
L
H
X
L
H
Z
6/97  
REV 1  
Motorola, Inc. 1997  

MC74VHC244DW 替代型号

型号 品牌 替代类型 描述 数据表
SN74ABT244ADWR TI

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OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS
SN74ABT244ADW TI

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OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS

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