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PT7C43390LE データシート(PDF) 6 Page - Pericom Semiconductor Corporation

部品番号 PT7C43390LE
部品情報  Real-time Clock Module
PDF  38 Pages
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メーカー  PERICOM [Pericom Semiconductor Corporation]
ホームページ  http://www.pericom.com
Logo PERICOM - Pericom Semiconductor Corporation

PT7C43390LE データシート(HTML) 6 Page - Pericom Semiconductor Corporation

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2015-12-0001
PT0280-8
12/11/15
6
PT7C43390/43390C
Real-time Clock Module
AC Electrical Characteristics
Measure conditions
Input pulse voltage
VIH = 0.9 ×VDD, VIL = 0.1 ×VDD
Input pulse rise/fall time
20ns
Output determination voltage
VOH = 0.5 ×VDD, VOL = 0.5 ×VDD
Output load
100pF + pull-up resistance 1kΩ
Symbol
Parameter
VDD > 1.35 V
*2
VDD > 3.0 V
*2
Unit
Min.
Typ.
Max.
Min.
Typ.
Max.
FSCL
SCL clock frequency
0
-
100
0
-
400
kHz
tLOW
SCL clock low time
4.7
-
-
1.3
-
-
µs
tHIGH
SCL clock high time
4
-
-
0.6
-
-
µs
tPD
SDA output delay time
-
-
3.5
-
-
0.9
µs
tSU.STA
Start condition setup time
4.7
-
-
0.6
-
-
µs
tHD.STA
Start condition hold time
4
-
-
0.6
-
-
µs
tSU.DAT
Data input setup time
250
-
-
100
-
-
ns
tHD.DAT
Data output hold time
0
-
-
0
-
-
µs
tSU.STO
Stop condition setup time
4.7
-
-
0.6
-
-
µs
tR
SCL, SDA rise time
-
-
1
-
-
0.3
µs
tF
SCL, SDA fall time
-
-
0.3
-
-
0.3
µs
tBUF
Bus release time
4.7
-
-
1.3
-
-
µs
tI
Noise suppression time
-
-
100
-
-
50
ns
*1. Since the output format of the SDA 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.
*2 Regarding the power supply voltage, refer to “Recommended Operating Conditions”.



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