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參數資料
| 型號： | IDT74FCT2543ATPG |
| 廠商： | INTEGRATED DEVICE TECHNOLOGY INC |
| 元件分類： | 總線收發(fā)器 |
| 英文描述： | FCT SERIES, 8-BIT REGISTERED TRANSCEIVER, TRUE OUTPUT, PDSO24 |
| 封裝： | TSSOP-24 |
| 文件頁數： | 1/7頁 |
| 文件大?。?/td> | 111K |
| 代理商： | IDT74FCT2543ATPG |
1
IDT74FCT2543T/AT/CT
FASTCMOSOCTALLATCHEDTRANSCEIVER
COMMERCIALTEMPERATURERANGE
SEPTEMBER 1999
1999
Integrated Device Technology, Inc.
DSC-5490/-
c
IDT74FCT2543T/AT/CT
COMMERCIAL TEMPERATURE RANGE
FAST CMOS
OCTAL LATCHED
TRANSCEIVER
DESCRIPTION:
The FCT2543T is a non-inverting octal transceiver built using an
advanced dual metal CMOS technology. This device contains two sets of
eight D-type latches with separate input and output controls for each set. For
data flow from A to B, for example, the A-to-B Enable (
CEAB) input must be
low in order to enter data from A0–A7 or to take data from B0–B7, as indicated
in the Function Table. With
CEAB low, a low signal on the A-to-B Latch
Enable (
LEAB) input makes the A-to-B latches transparent; a subsequent
low-to-high transition of the
LEAB signal puts the A latches in the storage
mode and their outputs no longer change with the A inputs. With
CEAB and
OEAB both low, the 3-state B output buffers are active and reflect the data
present at the output of the A latches. Control of data from B to A is similar,
but uses the
CEBA, LEBA and OEBA inputs.
The FCT2543T has balanced output drive with current limiting resistors.
This offers low ground bounce, minimal undershoot and controlled output
fall times-reducing the need for external series terminating resistors.
FCT2543T parts are plug-in replacements for FCT543T parts.
FUNCTIONAL BLOCK DIAGRAM
A 1
Q
OEBA
A 2
A 3
A 4
A 5
A 6
A 7
B 1
B 2
B 3
B 4
B 5
B 6
B 7
CEBA
LEBA
OEAB
CEAB
LEAB
DETAIL A x 7
D
LE
Q
D
LE
DETAIL A
A 0
B0
FEATURES:
Low input and output leakage ≤1A (max.)
Extended commercial range of –40°C to +85°C
CMOS power levels
True TTL input and output compatibility
VOH = 3.3V (typ.)
VOL = 0.3V (typ.)
Meets or exceeds JEDEC standard 18 specifications
Product available in Radiation Tolerant and Radiation Enhanced
versions
Available in PDIP, SOIC, SSOP, QSOP, and TSSOP packages
Std., A, and C speed grades
Resistor outputs (-15mA IOH, 12mA IOL)
Reduced system switching noise
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相關代理商/技術參數 |
參數描述 |
|---|---|
| IDT74FCT2543TQ | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Integrated Device Technology Inc 功能描述: |
| IDT74FCT2573KATP | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| IDT74FCT2573KCTP | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| IDT74FCT2573TQ | 制造商:Rochester Electronics LLC 功能描述: 制造商:Integrated Device Technology Inc 功能描述: |
| IDT74FCT2574ATQ | 制造商:Integrated Device Technology Inc 功能描述:Flip Flop, Octal, D Type, 20 Pin, Plastic, SSOP |
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