參數(shù)資料
型號: 74LCXR2245WM
廠商: Fairchild Semiconductor
文件頁數(shù): 6/12頁
文件大?。?/td> 0K
描述: IC TRANSCVR BIDIRECT LV 20SOIC
標準包裝: 36
系列: 74LCX
邏輯類型: 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: 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: 20-SOIC(0.295",7.50mm 寬)
供應商設備封裝: 20-SOIC
包裝: 管件
2000 Fairchild Semiconductor Corporation
www.fairchildsemi.com
74LCXR2245 Rev. 1.2.0
3
74LCXR2245
Lo
w
V
olta
g
e
Bidirectional
T
ransceiver
with
5V
T
olerant
Inputs
and
Outputs
and
26
Series
Resistor
s
on
Both
A
and
B
P
o
rt
s
Absolute Maximum Ratings
Stresses exceeding the absolute maximum ratings may damage the device. The device may not function or be
operable above the recommended operating conditions and stressing the parts to these levels is not recommended.
In addition, extended exposure to stresses above the recommended operating conditions may affect device reliability.
The absolute maximum ratings are stress ratings only.
Note:
3. IO Absolute Maximum Rating must be observed.
Recommended Operating Conditions(4)
The Recommended Operating Conditions table defines the conditions for actual device operation. Recommended
operating conditions are specified to ensure optimal performance to the datasheet specifications. Fairchild does not
recommend exceeding them or designing to absolute maximum ratings.
Note:
4. Unused inputs must be held HIGH or LOW. They may not float.
Symbol
Parameter
Rating
VCC
Supply Voltage
–0.5V to +7.0V
VI
DC Input Voltage
–0.5V to +7.0V
VO
DC Output Voltage
Output in 3-STATE
–0.5V to +7.0V
Output in HIGH or LOW State(3)
–0.5V to VCC + 0.5V
IIK
DC Input Diode Current, VI < GND
–50mA
IOK
DC Output Diode Current
VO < GND
–50mA
VO > VCC
+50mA
IO
DC Output Source/Sink Current
±50mA
ICC
DC Supply Current per Supply Pin
±100mA
IGND
DC Ground Current per Ground Pin
±100mA
TSTG
Storage Temperature
–65°C to +150°C
Symbol
Parameter
Min.
Max.
Units
VCC
Supply Voltage
Operating
2.0
3.6
V
Data Retention
1.5
3.6
VI
Input Voltage
0
5.5
V
VO
Output Voltage
HIGH or LOW State
0
VCC
V
3-STATE
0
5.5
IOH / IOL
Output Current
VCC = 3.0V–3.6V
±12
mA
VCC = 2.7V–3.0V
±8
VCC = 2.3V–2.7V
±4
TA
Free-Air Operating Temperature
–40
85
°C
t / V
Input Edge Rate, VIN = 0.8V–2.0V, VCC = 3.0V
0
10
ns /V
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