参数资料
型号: IDT74FCT543ATQG8
厂商: IDT, Integrated Device Technology Inc
文件页数: 1/7页
文件大小: 0K
描述: IC TRANSCEIVER 8BIT N-INV 24QSOP
标准包装: 3,000
系列: 74FCT
逻辑类型: 寄存收发器,非反相
元件数: 1
每个元件的位元数: 8
输出电流高,低: 15mA,64mA
电源电压: 4.75 V ~ 5.25 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 24-SSOP(0.154",3.90mm 宽)
供应商设备封装: 24-QSOP
包装: 带卷 (TR)
其它名称: 74FCT543ATQG8
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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