CY74FCT2541T_16 Datasheet, PDF (1/16 Pages) Texas Instruments – 8-BIT BUFFER/LINE DRIVER WITH 3-STATE OUTPUTS

D Function and Pinout Compatible With FCT
and F Logic
D 25-Ω Output Series Resistors to Reduce
Transmission-Line Reflection Noise
D Reduced V_OH (Typically = 3.3 V) Versions
of Equivalent FCT Functions
D Edge-Rate Control Circuitry for
Significantly Improved Noise
Characteristics
D I_off 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 Matched Rise and Fall Times
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
CY74FCT2541T
8ĆBIT BUFFER/LINE DRIVER
WITH 3ĆSTATE OUTPUTS
SCCS041B – SEPTEMBER 1994 – REVISED SEPTEMBER 2001
Q OR SO PACKAGE
(TOP VIEW)
OE_A 1
D₀ 2
D₁ 3
D₂ 4
D₃ 5
D₄ 6
D₅ 7
D₆ 8
D₇ ⁹
GND ¹⁰
20 V_CC
19 OE_B
18 O₀
17 O₁
16 O₂
15 O₃
14 O₄
13 O₅
12 _O6
11 _O7
description
The CY74FCT2541T is an octal buffer and line driver designed to be employed as a memory-address driver,
clock driver, and bus-oriented transmitter/receiver. On-chip termination resistors at the outputs reduce system noise
caused by reflections. The CY74FCT2541T can replace the CY74FCT541T to reduce noise in an existing design.
The speed of the CY74FCT2541T is comparable to bipolar logic counterparts, while reducing power dissipation.
Input and output voltage levels allow direct interface with TTL and CMOS devices without external components.
This device is fully specified for partial-power-down applications using I_off. The I_off 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
4.1 CY74FCT2541CTQCT
FCT2541C
SOIC – SO
Tube
Tape and reel
4.1 CY74FCT2541CTSOC
FCT2541C
4.1 CY74FCT2541CTSOCT
QSOP – Q Tape and reel
4.8 CY74FCT2541ATQCT
FCT2541A
–40°C to 85°C
SOIC – SO
Tube
Tape and reel
4.8 CY74FCT2541ATSOC
4.8 CY74FCT2541ATSOCT
FCT2541A
QSOP – Q Tape and reel
8
CY74FCT2541TQCT
FCT2541
SOIC – SO
Tube
Tape and reel
8
CY74FCT2541TSOC
8
CY74FCT2541TSOCT
FCT2541
† _{Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are}
available at www.ti.com/sc/package.
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.
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.
• POST OFFICE BOX 655303 DALLAS, TEXAS 75265
Copyright  2001, Texas Instruments Incorporated
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