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參數(shù)資料
| 型號(hào)： | CD74FCT241 |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | Micropower Voltage Reference 3-TO-92 0 to 70 |
| 中文描述： | 福賽特接口邏輯八路緩沖器/線路驅(qū)動(dòng)器，三態(tài) |
| 文件頁(yè)數(shù)： | 1/3頁(yè) |
| 文件大小： | 20K |
| 代理商： | CD74FCT241 |
1
Data sheet acquired from Harris Semiconductor
SCHS270A
Features
CD54/74FCT240, CD54/74FCT240AT - Inverting
CD54/74FCT241, CD54/74FCT244, CD54/74FCT244AT -
Non-Inverting
Buffered Inputs
Typical Propagation Delay:
4.1ns at VCC = 5V, TA = 25
o
C (FCT240AT, FCT244AT)
SCR-Latchup-Resistant BiCMOS Process and Circuit
Design
FCTXXX Types - Speed of Bipolar FAST
/AS/S;
FCTXXXAT Types - 30% Faster Than FAST/AS/S with
Significantly Reduced Power Consumption
48mA to 64mA Output Sink Current (Commer-
cial/Extended Industrial)
Output Voltage Swing Limited to 3.7V at VCC = 5V
Controlled Output-Edge Rates
Input/Output Isolation to VCC
BiCMOS Technology with Low Quiescent Power
Description
The CD54/74FCT240, 240AT, 241, 244 and 244AT three-
state
octal
buffers/line
drivers
BiCMOS technology. The output stage is a combination of
bipolar and CMOS transistors that limits the output-HIGH
level to two diode drops below VCC. This resultant lowering
of output swing (0V to 3.7V) reduces power bus ringing (a
source of EMI) and minimizes VCC bounce and ground
bounce
and
their
effects
switching. The output configuration also enhances switching
speed and is capable of sinking 48mA to 64mA.
use
a
small-geometry
during
simultaneous
output
The CD54/74FCT240, 240AT, 244 and 244AT have active-
LOW output enables (1OE, 2OE). The CD54/74FCT241 and
CD54/74FCT241AT have one active-LOW (1OE) and one
active-HIGH (2OE) output enable.
Functional Diagram
NOTE:
H = High Voltage Level, L = LOW Voltage Level
X = Immaterial, Z = HIGH Impedance
Ordering Information
PART NUMBER
TEMP. RANGE (
o
C)
PACKAGE
CD54/74FCT240E
-55 to 125, 0 to 70
20 Ld PDIP
CD54/74FCT240ATE
-55 to 125, 0 to 70
20 Ld PDIP
CD54/74FCT241E
-55 to 125, 0 to 70
20 Ld PDIP
CD54/74FCT244E
-55 to 125, 0 to 70
20 Ld PDIP
CD54/74FCT244ATE
-55 to 125, 0 to 70
20 Ld PDIP
CD54/74FCT240M
-55 to 125, 0 to 70
20 Ld SOIC
CD54/74FCT240ATM
-55 to 125, 0 to 70
20 Ld SOIC
CD54/74FCT241M
-55 to 125, 0 to 70
20 Ld SOIC
CD54/74FCT244M
-55 to 125, 0 to 70
20 Ld SOIC
CD54/74FCT244ATM
-55 to 125, 0 to 70
20 Ld SOIC
CD54/74FCT240SM
-55 to 125, 0 to 70
20 Ld SSOP
CD54/74FCT241SM
-55 to 125, 0 to 70
20 Ld SSOP
CD54/74FCT244SM
-55 to 125, 0 to 70
20 Ld SSOP
CD54FCT240H
-55 to 125
CD54FCT241H
-55 to 125
CD54FCT244H
-55 to 125
CD54/74FCT240, CD54/74FCT240AT TRUTH TABLE
INPUT
INPUT
1OE, 20E
A
L
L
L
H
H
X
OUTPUT
Y
H
L
Z
CD54/74FCT244, CD54/74FCT244AT TRUTH TABLE
INPUT
INPUT
1OE, 2OE
A
L
L
L
H
H
X
OUTPUT
Y
H
L
Z
CD54/74FCT241 TRUTH TABLE
INPUT
OUTPUT
1Y
L
H
Z
INPUT
OUTPUT
2Y
Z
L
H
1OE
L
L
H
1A
L
H
X
2OE
L
H
H
2A
X
L
H
18
16
14
12
9
7
5
3
2
4
6
8
11
13
15
17
1
19
1A0
1A1
1A2
1A3
2A0
2A1
2A2
2A3
1OE
2OE
1Y0
1Y1
1Y2
1Y3
2Y0
2Y1
2Y2
2Y3
1Y0
1Y1
1Y2
1Y3
2Y0
2Y1
2Y2
2Y3
241, 244
240
1OE
2OE
240, 244
241
VCC = 20
GND = 10
February 1996
CAUTION: These devices are sensitive to electrostatic discharge. Users should follow proper IC Handling Procedures.
Copyright
Harris Corporation 1996
File Number
2227.3
CD54/74FCT240, CD54/74FCT240AT,
CD54/74FCT241, CD54/74FCT244,
CD54/74FCT244AT
FCT Interface Logic
Octal Buffers/Line Drivers, Three-State
FAST is a registered trademark of Fairchild Semiconductor Corporation.
CD74FCT240AT and CD74FCT244AT were not acquired from Harris Semiconductor.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| CD74FCT241E | FCT Interface Logic Octal Buffers/Line Drivers, Three-State |
| CD74FCT241M | Micropower Voltage Reference 3-TO-92 0 to 70 |
| CD74FCT241SM | FCT Interface Logic Octal Buffers/Line Drivers, Three-State |
| CD74FCT244SM | Micropower Voltage Reference 8-TSSOP 0 to 70 |
| CD54FCT240M | FCT Interface Logic Octal Buffers/Line Drivers, Three-State |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| CD74FCT241ATQM | 制造商:Harris Corporation 功能描述: |
| CD74FCT241DTM | 制造商:Harris Corporation 功能描述: |
| CD74FCT241TQM | 制造商:Harris Corporation 功能描述: |
| CD74FCT244ATE | 功能描述:緩沖器和線路驅(qū)動(dòng)器 BiCMOS FCT Ifc Octal Bfr/Ln Drv W/3St Otp 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 |
| CD74FCT244ATEE4 | 功能描述:緩沖器和線路驅(qū)動(dòng)器 BiCMOS FCT Ifc Octal Bfr/Ln Drv W/3St Otp 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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