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PT7C43190LEX Datasheet(PDF) 5 Page - Pericom Semiconductor Corporation

Part # PT7C43190LEX
Description  Real-time Clock Module
Download  32 Pages
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Manufacturer  PERICOM [Pericom Semiconductor Corporation]
Direct Link  http://www.pericom.com
Logo PERICOM - Pericom Semiconductor Corporation

PT7C43190LEX Datasheet(HTML) 5 Page - Pericom Semiconductor Corporation

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2015-09-0015
PT0274-7
10/16/15
5
AC Electrical Characteristics
Measure conditions
Input pulse voltage
VIH = 0.8 ×VDD, VIL = 0.2 ×VDD
Input pulse rise/fall time
20ns
Output determination voltage
VOH = 0.8 ×VDD, VOL = 0.2 ×VDD
Output load
80pF + pull-up resistance 10kΩ
Symbol
Parameter
VDD = 1.35 to 3.0 V (VDD = 3.0 V)
VDD = 1.35 to 5.5 V (VDD = 5.5 V)
Unit
Min.
Typ.
Max.
Min.
Typ.
Max.
tSCK
Clock pulse width
5
-
250000
1
-
250000
μs
tDS
Setup before CS rise
1
-
-
0.2
-
-
μs
tCSH
Hold time after CS rise
1
-
-
0.2
-
-
μs
tISU
Input setup time
1
-
-
0.2
-
-
μs
tIHO
Input data hold time
1
-
-
0.2
-
-
μs
tACC
Output definition time
*1
-
-
3.5
-
-
-
μs
tCSS
Setup before CS fall
1
-
-
0.2
-
-
μs
tDH
Hold time after CS fall
1
-
-
0.2
-
-
μs
tR, tF
Input rise/fall time
-
-
0.1
-
-
0.05
μs
*1. Since the output format of the SIO pin is Nch open-drain output, output data definition time is determined by the values of the
load resistance (RL) and load capacity (CL) outside the IC. Therefore, use this value only as a reference value.


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