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M54HC298 Datasheet(PDF) 3 Page - STMicroelectronics

Part No. M54HC298
Description  QUAD 2 CHANNEL MULTIPLEXER/REGISTER
Download  11 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

M54HC298 Datasheet(HTML) 3 Page - STMicroelectronics

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PIN DESCRIPTION
PIN No
SYMBOL
NAME AND FUNCTION
1, 2, 5, 6
A2, B2,
C2, D2
Word 2 Data Inputs
3, 4, 7, 9
A1, B1,
C1, D1
Word 1 Data Inputs
12 to 15
QA to QD
Outputs
10
WORD
SELECT
Word Select Input
11
CLOCK
Clock Input (HIGH to
LOW, Edge-triggered)
8
GND
Ground (0V)
16
VCC
Positive Supply Voltage
IEC LOGIC SYMBOL
ABSOLUTE MAXIMUM RATINGS
Symbol
Parameter
Value
Unit
VCC
Supply Voltage
-0.5 to +7
V
VI
DC Input Voltage
-0.5 to VCC + 0.5
V
VO
DC Output Voltage
-0.5 to VCC + 0.5
V
IIK
DC Input Diode Current
± 20
mA
IOK
DC Output Diode Current
± 20
mA
IO
DC Output Source Sink Current Per Output Pin
± 25
mA
ICC or IGND
DC VCC or Ground Current
± 50
mA
PD
Power Dissipation
500 (*)
mW
Tstg
Storage Temperature
-65 to +150
oC
TL
Lead Temperature (10 sec)
300
oC
Absolute Maximum Ratings are those values beyond which damage to the device may occur. Functional operation under these condition is not implied.
(*) 500 mW:
≅ 65 oC derate to 300 mW by 10mW/oC: 65 oCto 85 oC
RECOMMENDED OPERATING CONDITIONS
Symbol
Parameter
Value
Unit
VCC
Supply Voltage
2 to 6
V
VI
Input Voltage
0 to VCC
V
VO
Output Voltage
0 to VCC
V
Top
Operating Temperature: M54HC Series
M74HC Series
-55 to +125
-40 to +85
oC
oC
tr,tf
Input Rise and Fall Time
VCC = 2 V
0 to 1000
ns
VCC = 4.5 V
0 to 500
VCC = 6 V
0 to 400
M54/M74HC298
3/11


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