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CY74FCT244TSOCTG4 PDF预览

CY74FCT244TSOCTG4

更新时间: 2024-01-23 09:23:03
品牌 Logo 应用领域
德州仪器 - TI 驱动器输出元件
页数 文件大小 规格书
21页 689K
描述
8-BIT BUFFERS/LINE DRIVERS WITH 3-STATE OUTPUTS

CY74FCT244TSOCTG4 数据手册

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CY54FCT240T, CY74FCT240T  
8-BIT BUFFERS/LINE DRIVERS  
WITH 3-STATE OUTPUTS  
SCCS017A – MAY 1994 – REVISED OCTOBER 2001  
CY54FCT240T . . . D PACKAGE  
CY74FCT240T . . . Q OR SO PACKAGE  
(TOP VIEW)  
Function, Pinout, and Drive Compatible  
With FCT and F Logic  
Reduced V  
of Equivalent FCT Functions  
(Typically = 3.3 V) Versions  
OH  
1
2
3
4
5
6
7
8
9
10  
20  
19  
18  
17  
16  
15  
14  
13  
12  
11  
OE  
V
CC  
A
DA  
OB  
DA  
OB  
DA  
OB  
DA  
OB  
OE  
OA  
DB  
Edge-Rate Control Circuitry for  
Significantly Improved Noise  
Characteristics  
0
0
1
1
2
2
3
3
B
0
0
OA  
1
1
I
Supports Partial-Power-Down Mode  
off  
DB  
Operation  
OA  
2
ESD Protection Exceeds JESD 22  
– 2000-V Human-Body Model (A114-A)  
– 200-V Machine Model (A115-A)  
DB  
2
OA  
3
3
GND  
DB  
– 1000-V Charged-Device Model (C101)  
Matched Rise and Fall Times  
CY54FCT240T . . . L PACKAGE  
(TOP VIEW)  
Fully Compatible With TTL Input and  
Output Logic Levels  
CY54FCT240T  
– 48-mA Output Sink Current  
12-mA Output Source Current  
3
2
1 20 19  
18  
OA  
DB  
DA  
OB  
DA  
OB  
DA  
4
5
6
7
8
0
1
1
2
2
3
CY74FCT240T  
– 64-mA Output Sink Current  
32-mA Output Source Current  
17  
16  
15  
14  
0
OA  
1
1
DB  
3-State Outputs  
OA  
2
9 10 11 12 13  
description  
The ’FCT240T devices are octal buffers and line  
drivers designed to be employed as memory  
address  
drivers,  
clock  
drivers,  
and  
bus-oriented transmitters/receivers. These devices provide speed and drive capabilities equivalent to their  
fastest bipolar logic counterparts, while reducing power consumption. The input and output voltage levels allow  
direct interface with TTL, NMOS, and CMOS devices without external components.  
These devices are fully specified for partial-power-down applications using I . The I circuitry disables the  
off  
off  
outputs, preventing damaging current backflow through the device when it is powered down.  
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of  
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
Copyright 2001, Texas Instruments Incorporated  
On products compliant to MIL-PRF-38535, all parameters are tested  
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of Texas Instruments  
standard warranty. Production processing does not necessarily include  
unless otherwise noted. On all other products, production  
testing of all parameters.  
processing does not necessarily include testing of all parameters.  
1
POST OFFICE BOX 655303 DALLAS, TEXAS 75265  

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