參數(shù)資料
型號: IDT74FCT543CTQG
廠商: IDT, Integrated Device Technology Inc
文件頁數(shù): 1/7頁
文件大?。?/td> 0K
描述: IC TRANSCEIVER 8BIT N-INV 24QSOP
標(biāo)準(zhǔn)包裝: 55
系列: 74FCT
邏輯類型: 寄存收發(fā)器,非反相
元件數(shù): 1
每個元件的位元數(shù): 8
輸出電流高,低: 15mA,64mA
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: 24-SSOP(0.154",3.90mm 寬)
供應(yīng)商設(shè)備封裝: 24-QSOP
包裝: 管件
其它名稱: 74FCT543CTQG
INDUSTRIALTEMPERATURERANGE
IDT74FCT543AT/CT/DT
FASTCMOSOCTALLATCHEDTRANSCEIVER
1
OCTOBER 2009
INDUSTRIAL TEMPERATURE RANGE
The IDT logo is a registered trademark of Integrated Device Technology, Inc.
2009 Integrated Device Technology, Inc.
DSC-5489/7
FEATURES:
A, C, and D grades
Low input and output leakage
≤≤≤≤≤1A (max.)
CMOS power levels
True TTL input and output compatibility:
–VOH = 3.3V (typ.)
–VOL = 0.3V (typ.)
High Drive outputs (-15mA IOH, 64mA IOL)
Meets or exceeds JEDEC standard 18 specifications
Power off disable outputs permit "live insertion"
Available in SOIC and QSOP packages
FUNCTIONAL BLOCK DIAGRAM
IDT74FCT543AT/CT/DT
FAST CMOS
OCTAL LATCHED
TRANSCEIVER
DESCRIPTION:
The FCT543T 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)inputmustbelowinorder
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 andOEAB 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.
A1
Q
OEBA
A2
A3
A4
A5
A6
A7
B1
B2
B3
B4
B5
B6
B7
CEBA
LEBA
OEAB
CEAB
LEAB
DETAIL A x 7
D
LE
Q
D
LE
DETAIL A
A0
B0
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