參數(shù)資料
型號(hào)： RX5C348A
廠商： Ricoh Co., Ltd.
英文描述： 4-WIRE SERIAL INTERFACE
中文描述： 4線串行接口
文件頁(yè)數(shù)： 9/13頁(yè)
文件大?。?/td> 1400K
代理商： RX5C348A
Rx5C348A/B
DC ELECTRICAL CHARACTERISTICS
(Unless otherwise specified:
VSS=0V, VDD=3.0V, Topt=-40 to +85
°C, Crystal oscillator 32768Hz,CL=7pF,R1=30k)
Symbol
Item
Pin Name
Conditions
Min.
Typ.
Max.
Unit
VIH
“H” Input Voltage
0.8x
VDD
5.5
VIL
“L” Input Voltage
CE, SCLK, SI
VDD=2.0 to 5.5V
-0.3
0.2x
VDD
V
IOH
“H” Output
Current
SO
VOH=VDD-0.5V
-0.5
mA
IOL1
/INTR,
32KOUT(Rx5C348A
)
2.0
IOL2
“L” Output
Current
SO,
32KOUT(Rx5C348B
)
VOL=0.4V
0.5
mA
IIL
Input Leakage
Current
SI, SCLK
VI=5.5V or VSS
VDD=5.5V
-1.0
1.0
A
RDNCE
Pull-down Resistance
CE
40
120
400
k
IOZ1
SO
VO=5.5V or VSS
VDD=5.5V
-1
1
IOZ2
Output Off-state
Current
/INTR, 32KOUT
VO=5.5V
VDD=5.5V
-1
1
A
IDD
(Rx5C34
8A)
VDD
VDD=3V,
CE= OPEN
Output = OPEN
32KOUT=OFF
*1)
0.35
0.80
IDD
(Rx5C34
8B)
Time Keeping Current
VDD
VDD=3V,
CE= OPEN
Output = OPEN
32KOUT=ON
0.55
1.00
A
VDETH
Supply Voltage
Monitoring Voltage “H”
VDD
Topt=-30 to +70
°C
1.90
2.10
2.30
VDETL
Supply Voltage
Monitoring Voltage “L”
VDD
Topt=-30 to +70
°C
1.45
1.60
1.80
V
CG
Internal Oscillation
Capacitance 1
OSCIN
12
CD
Internal Oscillation
Capacitance 2
OSCOUT
12
pF
*1) For time keeping current when outputting 32.768kHz from the 32KOUT pin, see “P.40.
12345
Rev.2.01
- 5 -
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