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UM8253 डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - Programmable Interval Timer - UMC

भाग संख्या UM8253
समारोह Programmable Interval Timer
मैन्युफैक्चरर्स UMC 
लोगो UMC लोगो 
पूर्व दर्शन
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<?=UM8253?> डेटा पत्रक पीडीएफ

UM8253 pdf
Absolut-e Maximum Ratings*
Ambient Temperature Under Bias TA ...... O°C to 70°C
Storage Tempel'ature TSTG ..........-65°C to +l50°C
Voltage on Any Pin with Respect to
Ground ., ..................... -0.5V to +7V
Power Dissipation. . . . . . . . . .. 1 Watt
UM8253/ UM8253-5
*Comments
Stress above those listed under "Absolute Maximum
Ratings" may cause permanent damage to the device.
These ·are stress ratings only. Functional operation of
this device at these or any other conditions above those
indicated in the operational sections of this specification
is not implied and exposure to absolute maximum rating
conditions for extended periods may affect device
reliability.
D.C. Characteristics
(TA = O°C to 70°C, Vee =5V!. 10%)
Symbol
Vll
VIH
Val
VOH
III
lOFl
Icc
Parameter
Input Low Voltage
Input High Voltage
Output low Voltage
Output High Voltage
Input Load Current
Output Float Leakage
Vee Supply Current
Min
-0.5
2.2
2.4
Max.
0.8
Vee+o.5v
0.45
±.10
±.10
140
Units
V
V
V
V
/J A
/JA
mA
Conditions
Note 1
Note 2
VIN = Vee to OV
VOUT = Vee to 0.45V
Capacitance
(TA = 25°C, Vee = GND = OV)
Symbol
CIN
CliO
Parameter
Input Capacitance
I/O Capacitance
Min. Typ.
Max.
10
20
Units
pF
pF
Conditions
fc=lMHz
Unmeasured pins
returned to Vss
A.C. Characteristics
(TA = O°C to 70°C, Vee = 5.0V ± 10%, GND = OV)
Bus Parameters (Note 3)
READ CYCLE
Symbol
tAR
tRA
tRR
tRO
tOF
tRv
Parameter
Address Stable Before READ
Address Hold Time for READ
READ Pulse Width
Data Delay From READ(4)
READ to Data Floating
Recovery Time Between READ
and Any Other Control Singnal
UM8253
Min. Max. ,
50
5
400
300
25 125
1
UM8253-5
Min. Max.
30
5
300
200
25 100
1
Units
ns
ns
ns
ns
ns
/Js
7-144

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डाउनलोड[ UM8253 Datasheet.PDF ]


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