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74AC244DC PDF预览

74AC244DC

更新时间: 2024-11-09 19:46:11
品牌 Logo 应用领域
德州仪器 - TI 驱动输出元件逻辑集成电路
页数 文件大小 规格书
10页 195K
描述
AC SERIES, DUAL 4-BIT DRIVER, TRUE OUTPUT, CDIP20, CERAMIC, DIP-20

74AC244DC 技术参数

生命周期:Obsolete零件包装代码:DIP
包装说明:DIP,针数:20
Reach Compliance Code:unknownHTS代码:8542.39.00.01
风险等级:5.11系列:AC
JESD-30 代码:R-GDIP-T20长度:24.51 mm
逻辑集成电路类型:BUS DRIVER位数:4
功能数量:2端口数量:2
端子数量:20最高工作温度:85 °C
最低工作温度:-40 °C输出特性:3-STATE
输出极性:TRUE封装主体材料:CERAMIC, GLASS-SEALED
封装代码:DIP封装形状:RECTANGULAR
封装形式:IN-LINE传播延迟(tpd):10 ns
认证状态:Not Qualified座面最大高度:5.08 mm
最大供电电压 (Vsup):6 V最小供电电压 (Vsup):2 V
标称供电电压 (Vsup):3.3 V表面贴装:NO
技术:CMOS温度等级:INDUSTRIAL
端子形式:THROUGH-HOLE端子节距:2.54 mm
端子位置:DUAL宽度:7.62 mm
Base Number Matches:1

74AC244DC 数据手册

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February 1993  
54AC/74AC244 54ACT/74ACT244  
#
Octal Buffer/Line Driver with TRI-STATE Outputs  
É
General Description  
Features  
Y
CC  
I
and I  
reduced by 50%  
OZ  
The ’AC/’ACT244 is an octal buffer and line driver designed  
to be employed as a memory address driver, clock driver  
and bus-oriented transmitter/receiver which provides im-  
proved PC board density.  
Y
TRI-STATE outputs drive bus lines or buffer memory  
address registers  
Y
Y
Y
Outputs source/sink 24 mA  
’ACT244 has TTL-compatible inputs  
Standard Military Drawing (SMD)  
Ð ’AC244: 5962-87552  
Ð ’ACT244: 5962-87760  
Logic Symbol  
Connection Diagrams  
IEEE/IEC  
Pin Assignment  
for DIP, Flatpak, SSOP and SOIC  
Pin Assignment  
for LCC and PCC  
TL/F/9943–3  
TL/F/9943–2  
TL/F/9943–1  
Truth Tables  
Inputs  
Outputs  
Pin Names  
Description  
(Pins 12, 14, 16, 18)  
OE  
1
I
n
OE , OE  
1
TRI-STATE Output Enable Inputs  
2
I I  
0
Inputs  
7
L
L
L
L
H
Z
O O  
0
Outputs  
7
H
X
H
Inputs  
Outputs  
(Pins 3, 5, 7, 9)  
OE  
2
I
n
L
L
L
L
H
Z
H
X
H
e
e
e
e
H
L
HIGH Voltage Level  
LOW Voltage Level  
Immaterial  
X
Z
High Impedance  
TRI-STATEÉ is a registered trademark of National Semiconductor Corporation.  
FACTTM is a trademark of National Semiconductor Corporation.  
C
1995 National Semiconductor Corporation  
TL/F/9943  
RRD-B30M75/Printed in U. S. A.  

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