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參數(shù)資料
| 型號： | CY74FCT2244TDIP |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | 8-Bit Buffers/Line Drivers |
| 中文描述： | 8位緩沖器/線路驅動器 |
| 文件頁數(shù)： | 1/6頁 |
| 文件大小： | 57K |
| 代理商： | CY74FCT2244TDIP |
8-Bit Buffers/Line Drivers
CY74FCT2240T
CY74FCT2244T
SCCS036 - September 1994 - Revised March 2000
Data sheet acquired from Cypress Semiconductor Corporation.
Data sheet modified to remove devices not offered.
Copyright
2000, Texas Instruments Incorporated
Features
Function and pinout compatible with FCT and F logic
25
outputseriesresistorstoreducetransmissionline
reflection noise
FCT-C speed at 4.1 ns max. (Com’l) FCT-A speed at 4.8
ns max. (Com’l)
TTL output level versions of equivalent FCT functions
Edge-rate control circuitry for significantly improved
noise characteristics
Power-off disable feature permits live insertion
ESD > 2000V
Fully compatible with TTL input and output logic levels
Sink current 12 mA
Source current15 mA
Extended commercial temp. range of –40C to +85C
Three-state outputs
Functional Description
The FCT2240T and FCT2244T are octal buffers and line
drivers that include on-chip 25
terminating resistors at each
of the outputs, to minimize noise resulting from reflections or
standing waves in high-performance applications. The on-chip
resistors reduce overall board space and component count.
Designed to be employed as memory address drivers, clock
drivers, and bus-oriented transmitters/receivers, these devic-
es provide speed and drive capabilities commensurate with
their fastest bipolar logic counterparts while reducing power
dissipation. The input and output voltage levels allow direct
interface with TTL, NMOS, and CMOS devices without the
need for external components.
The outputs are designed with a power-off disable feature to
allow for live insertion of boards.
Logic Block Diagram FCT2240T
Pin Configurations
FCT2240T–2
1
2
3
4
5
6
7
8
9
10
11
12
16
17
18
19
20
13
14
OE
A
DA
0
OB
0
DA
1
OB
1
DA
2
OB
2
DA
3
OB
3
GND
V
CC
OE
B
OA
0
DB
0
OA
1
DB
1
FCT2240T–3
15
SOIC/QSOP
Top View
OA
2
DB
2
OA
3
DB
3
OE
B
OE
A
DA
0
OB
0
DA
1
OB
1
DA
2
DA
3
OB
2
OB
3
OA
0
OA
2
DB
2
DB
3
OA
3
DB
0
OA
1
DB
1
Logic Block Diagram FCT2244T
1
2
3
4
5
6
7
8
9
10
11
12
16
17
18
19
20
13
14
OE
A
DA
0
OB
0
DA
1
OB
1
DA
2
OB
2
DA
3
OB
3
GND
V
CC
15
DIP/SOIC/QSOP
Top View
OE
B
OA
0
DB
0
OA
1
DB
1
OA
2
DB
2
OA
3
DB
3
OE
B
OE
A
DA
0
OB
0
DA
1
OB
1
DA
2
DA
3
OB
2
OB
3
OA
0
OA
2
DB
2
DB
3
OA
3
DB
0
OA
1
DB
1
FCT2240T–4
FCT2240T–6
FCT2240T
FCT2244T
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| CY74FCT2244TQC | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| CY74FCT2244TQCT | 功能描述:緩沖器和線路驅動器 Octal Buffer/Line Driver RoHS:否 制造商:Micrel 輸入線路數(shù)量:1 輸出線路數(shù)量:2 極性:Non-Inverting 電源電壓-最大:+/- 5.5 V 電源電壓-最小:+/- 2.37 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Reel |
| CY74FCT2244TQCTE4 | 功能描述:緩沖器和線路驅動器 Octal Buffer/Line Driver RoHS:否 制造商:Micrel 輸入線路數(shù)量:1 輸出線路數(shù)量:2 極性:Non-Inverting 電源電壓-最大:+/- 5.5 V 電源電壓-最小:+/- 2.37 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Reel |
| CY74FCT2244TQCTG4 | 功能描述:緩沖器和線路驅動器 Octal Buffer/Line Driver RoHS:否 制造商:Micrel 輸入線路數(shù)量:1 輸出線路數(shù)量:2 極性:Non-Inverting 電源電壓-最大:+/- 5.5 V 電源電壓-最小:+/- 2.37 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Reel |
| CY74FCT2244TS0C | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
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