參數(shù)資料
型號(hào): R2043T
廠(chǎng)商: Ricoh Co., Ltd.
英文描述: 4-wire Serial Interface
中文描述: 4線(xiàn)串行接口
文件頁(yè)數(shù): 5/48頁(yè)
文件大?。?/td> 458K
代理商: R2043T
R2043K/T
Q
DC ELECTRICAL CHARACTERISTICS
O
R2043K/T
(Unless otherwise specified:
VSS=0V, VDD=3.0V, Topt=-40 to +85
°
C, Crystal oscillator 32768Hz,CL=7pF,R1=50k
)
Symbol
Item
Pin Name
VIH
“H” Input Voltage
CE,
SCLK, SI
12345
Rev.2.05 - 5 -
Conditions
VDD=1.7 to 5.5V
Min.
0.8x
VDD
-0.3
Typ.
Max.
5.5
Unit
V
VIL
“L” Input Voltage
0.2x
VDD
-0.5
IOH
“H” Output
Current
“L” Output
Current
SO
VOH=VDD-0.5V
mA
IOL1
IOL2
/INTR
SO,
32KOUT
SI, SCLK
2.0
0.5
VOL=0.4V
mA
IIL
Input Leakage
Current
Pull-down Resistance
VI=5.5V or VSS
VDD=5.5V
VO=5.5V or VSS
VDD=5.5V
VO=5.5V
VDD=5.5V
VO=5.5V
VDD=5.5V
VDD=3V,
CE= OPEN
Output = OPEN
32KOUT=OFF
CGout=CDout=0pF
*1)
Topt=-30 to +70
°
C
-1.0
1.0
μ
A
RDNCE
IOZ1
CE
SO
40
-1
120
400
1
k
μ
A
IOZ2
/INTR
-1
1
IOZ3
Output Off-state
Current
32KOUT
-1
1
IDD
Time Keeping Current
VDD
0.45
1.00
μ
A
VDETH
Supply Voltage
Monitoring Voltage “H”
Supply Voltage
Monitoring Voltage “L”
*1) For time keeping current when outputting 32.768kHz from the 32KOUT pin, see “P.43
Q
Typical
Characteristics”. For time keeping current when CGOUT, CDOUT is not equal to 0pF, see “P.28
O
Adjustment of Oscillation frequency”.
VDD
VDD
1.45
1.60
1.75
V
V
VDETL
Topt=-30 to +70
°
C
1.15
1.30
1.45
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