參數(shù)資料
型號: RS5C372A
廠商: RICOH COMPANY LTD
元件分類: XO, clock
英文描述: I2C bus SERIAL INTERFACE REAL-TIME CLOCK ICs
中文描述: 0 TIMER(S), REAL TIME CLOCK, PDSO8
封裝: SSOP-8
文件頁數(shù): 8/59頁
文件大?。?/td> 442K
代理商: RS5C372A
RS5C372A
4
RECOMMENDED OPERATING CONDITIONS
(Vss=0V, Topt=–40 to +85C)
Symbol
Item
Conditions
MIN.
TYP.
MAX.
Unit
V
DD
Supply Voltage
2.0
6.0
V
V
CLK
Timekeeping Voltage
1.45
6.0
V
32.768
or
32.000
F
XT
Oscillation Frequency
kHz
V
PUP1
Pull-up Voltage 1
SCL, SDA
6.0
V
V
PUP2
Pull-up Voltage 2
INTRA, INTRB
10.0
V
DC CHARACTERISTICS
Unless otherwise specified: Vss=0V, V
DD
=3V, Topt=–40 to +85C, Oscillation frequency=32.768kHz, or 32.000kHz(R
1
=30k
)
Symbol
Item
Pin name
Conditions
MIN.
TYP.
MAX.
Unit
V
IH
“H” Input Voltage
SCL, SDA
0.8V
DD
6.0
V
V
IL
“L” Input Voltage
SCL, SDA
–0.3
0.2V
DD
V
I
OL1
INTRA, INTRB
V
OL1
=0.4V
1
mA
I
OL2
SDA
V
OL2
=0.6V
6
mA
I
ILK
Input Leakage Current
SCL
V
I
=6V or Vss
V
DD
=6V
–1
1
μA
I
OZ
Output Off State
Leakage Current
SDA, INTRA,
INTRB
V
O
=6V or Vss
V
DD
=6V
–1
1
μA
V
DD
=3V, Topt=25C
SCL, SDA=3V
Output=OPEN*
1
I
DD1
VDD
0.5
0.9
μA
V
DD
=3V,
Topt=–40 to +85C
SCL, SDA=3V
Output=OPEN*
1
I
DD2
VDD
1.0
μA
V
DD
=6V
SCL, SDA=6V
Output=OPEN*
1
I
DD3
VDD
0.8
2.0
μA
C
G
Internal Oscillation Capacitance 1
OSCIN
10
pF
C
D
Internal Oscillation Capacitance 2
OSCOUT
10
pF
Output Current
Standby Current
*
1) The mode outputs no clock pulses when output is open (output off state).
For consumption current (output: no load) when 32kHz pulses are output from INTRB, see “USAGES, 6. Typical Characteristic Measurements”
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