參數(shù)資料
型號: 74LCX652MSAX
廠商: Fairchild Semiconductor
文件頁數(shù): 4/10頁
文件大?。?/td> 0K
描述: IC TXRX/REGISTER LV 5V 24SSOP
標(biāo)準(zhǔn)包裝: 2,000
系列: 74LCX
邏輯類型: 寄存收發(fā)器,非反相
元件數(shù): 2
每個元件的位元數(shù): 8
輸出電流高,低: 24mA,24mA
電源電壓: 2 V ~ 3.6 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 24-SSOP(0.209",5.30mm 寬)
供應(yīng)商設(shè)備封裝: 24-SSOP
包裝: 帶卷 (TR)
3
www.fairchildsemi.com
7
4
LCX652
Functional Description
In the transceiver mode, data present at the HIGH imped-
ance port may be stored in either the A or B register or
both.
The select (SAB, SBA) controls can multiplex stored and
real-time.
The examples below demonstrate the four fundamental
bus-management functions that can be performed with the
Octal bus transceiver and receiver.
Data on the A or B data bus, or both can be stored in the
internal D flip-flop by LOW to HIGH transitions at the
appropriate Clock Inputs (CPAB, CPBA) regardless of the
Select or Output Enable Inputs. When SAB and SBA are in
the real time transfer mode, it is also possible to store data
without using the internal D flip-flops by simultaneously
enabling OEAB and OEBA. In this configuration each Out-
put reinforces its Input. Thus when all other data sources to
the two sets of bus lines are in a HIGH impedance state,
each set of bus lines will remain at its last state.
Real-Time Transfer
Bus B to Bus A
Real-Time Transfer
Bus A to Bus B
Transfer Storage
Data to A or B
Storage
OEAB
OEBA
CPAB CPBA SAB SBA
LL
X
L
OEAB OEBA CPAB CPBA SAB SBA
HH
X
L
X
OEAB
OEBA
CPAB CPBA SAB SBA
H
L
H or L H or L
H
OEAB
OEBA
CPAB CPBA SAB SBA
XH
XX
X
LX
X
XX
LH
XX
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74LCX652MTCX 功能描述:總線收發(fā)器 Transceiver/Register RoHS:否 制造商:Fairchild Semiconductor 邏輯類型:CMOS 邏輯系列:74VCX 每芯片的通道數(shù)量:16 輸入電平:CMOS 輸出電平:CMOS 輸出類型:3-State 高電平輸出電流:- 24 mA 低電平輸出電流:24 mA 傳播延遲時間:6.2 ns 電源電壓-最大:2.7 V, 3.6 V 電源電壓-最小:1.65 V, 2.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-48 封裝:Reel
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