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MC74HCT244ADT PDF预览

MC74HCT244ADT

更新时间: 2024-09-13 23:01:35
品牌 Logo 应用领域
安森美 - ONSEMI 总线驱动器总线收发器
页数 文件大小 规格书
8页 179K
描述
Octal 3-State Noninverting Buffer/Line Driver/Line Receiver with LSTTL-Compatible Inputs

MC74HCT244ADT 技术参数

是否Rohs认证:符合生命周期:Obsolete
零件包装代码:TSSOP包装说明:TSSOP-20
针数:20Reach Compliance Code:unknown
HTS代码:8542.39.00.01风险等级:5.02
Is Samacsys:N控制类型:ENABLE LOW
系列:HCTJESD-30 代码:R-PDSO-G20
JESD-609代码:e4长度:6.5 mm
负载电容(CL):50 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:TSSOP
封装等效代码:TSSOP20,.25封装形状:RECTANGULAR
封装形式:SMALL OUTLINE, THIN PROFILE, SHRINK PITCH峰值回流温度(摄氏度):NOT SPECIFIED
电源:5 VProp。Delay @ Nom-Sup:30 ns
传播延迟(tpd):30 ns认证状态:Not Qualified
座面最大高度:1.2 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: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:0.65 mm端子位置:DUAL
处于峰值回流温度下的最长时间:NOT SPECIFIED宽度:4.4 mm
Base Number Matches:1

MC74HCT244ADT 数据手册

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High–Performance Silicon–Gate CMOS  
http://onsemi.com  
The MC74HCT244A is identical in pinout to the LS244. This  
device may be used as a level converter for interfacing TTL or NMOS  
outputs to High–Speed CMOS inputs. The HCT244A is an octal  
noninverting buffer line driver line receiver designed to be used with  
3–state memory address drivers, clock drivers, and other bus–oriented  
systems. The device has non–inverted outputs and two active–low  
output enables.  
MARKING  
DIAGRAMS  
20  
PDIP–20  
N SUFFIX  
CASE 738  
MC74HCT244AN  
AWLYYWW  
20  
1
1
The HCT244A is the noninverting version of the HCT240. See also  
HCT241.  
20  
SOIC WIDE–20  
DW SUFFIX  
CASE 751D  
HCT244A  
AWLYYWW  
20  
Output Drive Capability: 15 LSTTL Loads  
TTL NMOS–Compatible Input Levels  
Outputs Directly Interface to CMOS, NMOS, and TTL  
Operating Voltage Range: 4.5 to 5.5 V  
Low Input Current: 1 µA  
In Compliance with the Requirements Defined by JEDEC Standard  
No. 7A  
Chip Complexity: 112 FETs or 28 Equivalent Gates  
1
1
20  
HCT  
244A  
ALYW  
TSSOP–20  
DT SUFFIX  
CASE 948E  
20  
1
1
A
= Assembly Location  
WL = Wafer Lot  
YY = Year  
WW = Work Week  
LOGIC DIAGRAM  
2
4
6
18  
16  
14  
A1  
A2  
A3  
YA1  
YA2  
YA3  
PIN ASSIGNMENT  
ENABLE A  
A1  
1
2
3
4
5
6
7
8
9
20  
V
CC  
19 ENABLE B  
18 YA1  
17 B4  
YB4  
A2  
8
12  
9
A4  
B1  
YA4  
YB1  
NONINVERTING  
OUTPUTS  
DATA INPUTS  
11  
YB3  
A3  
16 YA2  
15 B3  
13  
15  
17  
7
5
3
B2  
B3  
B4  
YB2  
YB3  
YB4  
YB2  
A4  
14 YA3  
13 B2  
YB1  
12 YA4  
11 B1  
GND 10  
1
PIN 20 = V  
CC  
PIN 10 = GND  
ENABLE A  
ENABLE B  
OUTPUT  
ENABLES  
19  
ORDERING INFORMATION  
FUNCTION TABLE  
Device  
Package  
PDIP–20  
Shipping  
Inputs  
Enable A,  
Enable B A, B  
Outputs  
MC74HCT244AN  
1440 / Box  
38 / Rail  
YA, YB  
MC74HCT244ADW  
SOIC–WIDE  
L
L
H
L
H
X
L
H
Z
MC74HCT244ADWR2 SOIC–WIDE 1000 / Reel  
MC74HCT244ADT  
TSSOP–20  
75 / Rail  
Z = high impedance, X = don’t care  
MC74HCT244ADTR2  
TSSOP–20 2500 / Reel  
Semiconductor Components Industries, LLC, 2000  
1
Publication Order Number:  
May, 2000 – Rev. 9  
MC74HCT244A/D  

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