參數(shù)資料
型號(hào)： CY74FCT240CTQCT
廠商： Texas Instruments, Inc.
英文描述： 8-BIT BUFFERS/LINE DRIVERS WITH 3-STATE OUTPUTS
中文描述： 8位緩沖器/線路驅(qū)動(dòng)器，三態(tài)輸出
文件頁(yè)數(shù)： 1/8頁(yè)
文件大小： 97K
代理商： CY74FCT240CTQCT
8-Bit Buffers/Line Drivers
CY54/74FCT240T
CY54/74FCT244T
SCCS017 - May 1994 - Revised February 2000
Copyright
2000, Texas Instruments Incorporated
Features
Function, pinout, and drive compatible with FCT and
F logic
FCT-D speed at 3.6 ns max. (Com’l FCT244 only),
FCT-C speed at 4.1 ns max. (Com’l),
FCT-A speed at 4.8 ns max. (Com’l)
Reduced V
(typically = 3.3V) versions of equivalent
FCT functions
Edge-rate control circuitry for significantly improved
noise characteristics
Power-off disable feature
ESD > 2000V
Matched rise and fall times
Fully compatible with TTL input and output logic levels
Extended commercial range of
40C to +85C
Sink current
Source current
64 mA (Com’l), 48 mA (Mil)
32 mA (Com’l), 12 mA (Mil)
Functional Description
The FCT240T and FCT244T are octal buffers and line drivers
designed to be employed as memory address drivers, clock
drivers, and bus-oriented transmitters/receivers. The 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.
The outputs are designed with a power-off disable feature to
allow for live insertion of boards.
Logic Block Diagram
FCT240T–2
4
8
9
10
11
12
13
7
6 5
1516 17 18
3
2
1
20
19
14
D
O
O
D0
O2
O0
DB
3
OA
3
V
CC
OE
B
GND
D1
Top View
D
LCC
OE
A
FCT240T–1
DA
0
OB
0
OB
3
DB
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
FCT240T–3
15
DIP/SOIC/QSOP
Top View
O1
D
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
Pin Configurations
4
8
9
10
11
12
13
7
6 5
1516 17 18
3
2
1
20
19
14
D
O
O
D0
O2
O0
DB
3
OA
3
V
CC
OE
B
GND
D1
Top View
D
LCC
OE
A
DA
0
OB
0
OB
3
DB
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
15
DIP/SOIC/QSOP
Top View
O1
D
OA
2
DB
2
OA
3
DB
3
DB
1
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
FCT240T–4
FCT240T–5
FCT240T–6
FCT240T
FCT240T
FCT244T
FCT244T
FCT240T
FCT244T
相關(guān)PDF資料
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CY74FCT244TLCC 8-Bit Buffers/Line Drivers
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CY74FCT240CTSOC 功能描述:緩沖器和線路驅(qū)動(dòng)器 Octal Buffer/Driver With 3-State Outputs 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(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Reel
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