參數(shù)資料
型號(hào): 74LCX16646MTDX
廠商: Fairchild Semiconductor
文件頁數(shù): 3/10頁
文件大?。?/td> 0K
描述: IC TRANSCVR/REG 16BIT LV 56TSSOP
標(biāo)準(zhǔn)包裝: 1
系列: 74LCX
邏輯類型: 寄存收發(fā)器,非反相
元件數(shù): 2
每個(gè)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: 56-TFSOP(0.240",6.10mm 寬)
供應(yīng)商設(shè)備封裝: 56-TSSOP
包裝: 標(biāo)準(zhǔn)包裝
產(chǎn)品目錄頁面: 1211 (CN2011-ZH PDF)
其它名稱: 74LCX16646MTDXDKR
www.fairchildsemi.com
2
74LCX16646
Connection Diagram
Truth Table
(Note 2)
H
= HIGH Voltage Level
X
= Immaterial
L
= LOW Voltage Level
= LOW-to-HIGH Transition.
Note 2: The data output functions may be enabled or disabled by various signals at the OE and DIR inputs. Data input functions are always enabled;
i.e., data at the bus pins will be stored on every LOW-to-HIGH transition of the appropriate clock inputs. Also applies to data I/O (A and B: 8-15) and
#2 control pins.
Inputs
Data I/O
Output Operation Mode
OE1
DIR1
CPAB1 CPBA1
SAB1
SBA1
A0–7
B0–7
H
X
H or L
X
Isolation
H
X
X
Input
Clock An Data into A Register
H
X
X
Clock Bn Data Into B Register
L
H
X
L
X
An to Bn — Real Time (Transparent Mode)
L
H
X
L
X
Input
Output Clock An Data to A Register
L
H
H or L
X
H
X
A Register to Bn (Stored Mode)
L
H
X
H
X
Clock An Data into A Register and Output to Bn
L
X
L
Bn to An — Real Time (Transparent Mode)
L
X
X
L
Output
Input
Clock Bn Data into B Register
L
X
H or L
X
H
B Register to An (Stored Mode)
L
X
X
H
Clock Bn into B Register and Output to An
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