參數(shù)資料
型號： CY74FCT2244CTQCTE4
廠商： Texas Instruments
文件頁數(shù)： 1/15頁
文件大?。?/td> 0K
描述： IC BUFF/DVR TRI-ST 8BIT 20QSOP
標準包裝： 2,500
系列： 74FCT
邏輯類型： 緩沖器/線路驅動器，非反相
元件數(shù)： 2
每個元件的位元數(shù)： 4
輸出電流高，低： 15mA，12mA
電源電壓： 4.75 V ~ 5.25 V
工作溫度： -40°C ~ 85°C
安裝類型： 表面貼裝
封裝/外殼： 20-SSOP（0.154"，3.90mm 寬）
供應商設備封裝： 20-SSOP/QSOP
包裝： 帶卷 (TR)
CY74FCT2244T
8-BIT BUFFER/LINE DRIVER
WITH 3-STATE OUTPUTS
SCCS074 – OCTOBER 2001
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
D Function and Pinout Compatible With FCT
and F Logic
D 25- Output Series Resistors Reduce
Transmission-Line Reflection Noise
D TTL-Output-Level Version of Equivalent
FCT Functions
D Edge-Rate Control Circuitry for
Significantly Improved Noise
Characteristics
D Ioff Supports Partial-Power-Down Mode
Operation
D ESD Protection Exceeds JESD 22
– 2000-V Human-Body Model (A114-A)
– 200-V Machine Model (A115-A)
– 1000-V Charged-Device Model (C101)
D Fully Compatible With TTL Input and
Output Logic Levels
D 12-mA Output Sink Current
15-mA Output Source Current
D 3-State Outputs
description
The CY74FCT2244T is an octal buffer and line driver that includes 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 a memory
address driver, clock driver, and bus-oriented transmitter/receiver, this device provides speed and drive
capabilities commensurate with its 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.
This device is fully specified for partial-power-down applications using Ioff. The Ioff circuitry disables the outputs,
preventing damaging current backflow through the device when it is powered down.
ORDERING INFORMATION
TA
PACKAGE
SPEED
(ns)
ORDERABLE
PART NUMBER
TOP-SIDE
MARKING
QSOP – Q
Tape and reel
4.3
CY74FCT2244CTQCT
FCT2244C
SOIC
SO
Tube
4.3
CY74FCT2244CTSOC
FCT2244C
SOIC – SO
Tape and reel
4.3
CY74FCT2244CTSOCT
FCT2244C
QSOP – Q
Tape and reel
4.6
CY74FCT2244ATQCT
FCT2244A
–40
°C to 85°C
SOIC
SO
Tube
4.6
CY74FCT2244ATSOC
FCT2244A
SOIC – SO
Tape and reel
4.6
CY74FCT2244ATSOCT
FCT2244A
QSOP – Q
Tape and reel
6.5
CY74FCT2244TQCT
FCT2244
SOIC
SO
Tube
6.5
CY74FCT2244TSOC
FCT2244
SOIC – SO
Tape and reel
6.5
CY74FCT2244TSOCT
FCT2244
Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are
available at www.ti.com/sc/package.
Copyright
2001, Texas Instruments Incorporated
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
testing of all parameters.
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.
OEA
DA0
OB0
DA1
OB1
DA2
OB2
DA3
OB3
GND
Q OR SO PACKAGE
(TOP VIEW)
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
VCC
OEB
OA0
DB0
OA1
DB1
OA2
DB2
OA3
DB3
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相關代理商/技術參數(shù)
參數(shù)描述
CY74FCT2244CTQCTG4 功能描述:緩沖器和線路驅動器 Octal Buffers/Line Drivers 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
CY74FCT2244CTSOC 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
CY74FCT2244CTSOCE4 功能描述:緩沖器和線路驅動器 Octal Registered Bus Trncvr W/3-St Otpt 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
CY74FCT2244CTSOCG4 功能描述:緩沖器和線路驅動器 Octal Buffers/Line Drivers 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
CY74FCT2244CTSOCT 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
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