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MC74VHC244DTG PDF预览

MC74VHC244DTG

更新时间: 2024-11-24 13:11:19
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安森美 - ONSEMI /
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6页 169K
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MC74VHC244DTG 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  

MC74VHC244DTG 替代型号

型号 品牌 替代类型 描述 数据表
MC74VHC244DTR2G ONSEMI

完全替代

Octal Non-inverting Bus Buffer, 3-State, TSSOP 20 LEAD, 2500-REEL
74VHC244TTR STMICROELECTRONICS

类似代替

OCTAL BUS BUFFER WITH 3 STATE OUTPUTS (NON INVERTED)
MC74LCX244DTR2G ONSEMI

类似代替

Low−Voltage CMOS Octal Buffer With 5 V−Tolerant Inputs and Outputs (3−St

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