參數(shù)資料
型號: 74LCXH162244MEX
廠商: Fairchild Semiconductor
文件頁數(shù): 3/9頁
文件大小: 0K
描述: IC BUFF DVR 16BIT LOW V 48SSOP
產(chǎn)品變化通告: Die Material/Mold Compound Change 10/Sept/2008
標準包裝: 1,000
系列: 74LCXH
邏輯類型: 緩沖器/線路驅動器,非反相
元件數(shù): 4
每個元件的位元數(shù): 4
輸出電流高,低: 12mA,12mA
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: 48-BSSOP(0.295",7.50mm 寬)
供應商設備封裝: 48-SSOP
包裝: 帶卷 (TR)
3
www.fairchildsemi.com
7
4LCXH
1
62244
Truth Tables
H
HIGH Voltage Level
L
LOW Voltage Level
X
Immaterial
Z
High Impedance
Functional Description
The LCXH162244 contains sixteen non-inverting buffers
with 3-STATE standard outputs. The LCXH162244 data
inputs include active bushold circuitry eliminating the need
for pull-up resistors to hold unused or floating data inputs at
a valid logic level. The devise is also designed with 26
:
series resistors in the outputs. This design reduces line
noise in applications such as memory address drivers,
clock drivers and bus transceiver/transmitters. The device
is nibble (4 bits) controlled with each nibble functioning
identically, but independent of the other. The control pins
can be shorted together to obtain full 16-bit operation. The
3-STATE outputs are controlled by an Output Enable (OEn)
input for each nibble. When OEn is LOW, the outputs are in
2-state mode. When OEn is HIGH, the outputs are in the
high impedance mode, but this does not interfere with
entering new data into the inputs.
Logic Diagram
Inputs
Outputs
Inputs
Outputs
OE1
I0–I3
O0–O3
OE3
I8–I11
O8–O11
LL
L
LH
H
L
H
HX
Z
H
X
Z
Inputs
Outputs
Inputs
Outputs
OE2
I4–I7
O4–O7
OE4
I12–I15
O12–O15
LL
L
LH
H
L
H
HX
Z
H
X
Z
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