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ISL12022MR5421 データシート(PDF) 6 Page - Intersil Corporation

部品番号 ISL12022MR5421
部品情報  Low Power RTC with Battery Backed SRAM, Integrated 5ppm
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メーカー  INTERSIL [Intersil Corporation]
ホームページ  http://www.intersil.com/cda/home
Logo INTERSIL - Intersil Corporation

ISL12022MR5421 データシート(HTML) 6 Page - Intersil Corporation

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ISL12022MR5421
6
FN7576.1
June 4, 2010
ΔFoutI
Oscillator Initial Accuracy
VDD = 3.3V
-3
+3
ppm
5
Temp
Temperature Sensor Accuracy
VDD = VBAT = 3.3V
±2
°C
12
IRQ/FOUT (OPEN DRAIN OUTPUT)
VOL
Output Low Voltage
VDD = 5V, IOL = 3mA
0.4
V
VDD = 2.7V, IOL = 1mA
0.4
V
DC Operating Characteristics RTC Test Conditions: VDD = +2.7 to +5.5V, TA = -40°C to +85°C, unless otherwise
stated. Boldface limits apply over the operating temperature range,
-40°C to +85°C. (Continued)
SYMBOL
PARAMETER
CONDITIONS
MIN
(Note 6)
TYP
(Note 7)
MAX
(Note 6) UNITS NOTES
Power-Down Timing Test Conditions: VDD = +2.7 to +5.5V, Temperature = -40°C to +85°C, unless otherwise stated.
Boldface limits apply over the operating temperature range, -40°C to +85°C.
SYMBOL
PARAMETER
CONDITIONS
MIN
(Note 6)
TYP
(Note 7)
MAX
(Note 6) UNITS
NOTES
VDDSR-
VDD Negative Slew Rate
10
V/ms
11
I2C Interface Specifications Test Conditions: VDD = +2.7 to +5.5V, Temperature = -40°C to +85°C, unless
otherwise specified. Boldface limits apply over the operating temperature range,
-40°C to +85°C.
SYMBOL
PARAMETER
TEST CONDITIONS
MIN
(Note 6)
TYP
(Note 7)
MAX
(Note 6) UNITS
NOTES
VIL
SDA and SCL Input Buffer
LOW Voltage
-0.3
0.3 x
VDD
V
VIH
SDA and SCL Input Buffer
HIGH Voltage
0.7 x VDD
VDD +
0.3
V
Hysteresis
SDA and SCL Input Buffer
Hysteresis
0.05 x
VDD
V
12, 13
VOL
SDA Output Buffer LOW
Voltage, Sinking 3mA
VDD = 5V, IOL = 3mA
0
0.02
0.4
V
CPIN
SDA and SCL Pin Capacitance TA = +25°C, f = 1MHz,
VDD = 5V, VIN =0V,
VOUT = 0V
10
pF
12, 13
fSCL
SCL Frequency
400
kHz
tIN
Pulse Width Suppression
Time at SDA and SCL Inputs
Any pulse narrower than
the max spec is
suppressed.
50
ns
tAA
SCL Falling Edge to SDA
Output Data Valid
SCL falling edge crossing
30% of VDD, until SDA
exits the 30% to 70% of
VDD window.
900
ns
tBUF
Time the Bus Must be Free
Before the Start of a New
Transmission
SDA crossing 70% of
VDD during a STOP
condition, to SDA
crossing 70% of VDD
during the following
START condition.
1300
ns
tLOW
Clock LOW Time
Measured at the 30% of
VDD crossing.
1300
ns
tHIGH
Clock HIGH Time
Measured at the 70% of
VDD crossing.
600
ns
tSU:STA
START Condition Setup Time SCL rising edge to SDA
falling edge. Both
crossing 70% of VDD.
600
ns
ISL12022MR5421


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