參數(shù)資料
型號(hào): R2061K
英文描述: real-time clock ICs
中文描述: 實(shí)時(shí)時(shí)鐘IC
文件頁數(shù): 6/48頁
文件大?。?/td> 322K
代理商: R2061K
R2061 Series
I
AC ELECTRICAL CHARACTERISTICS
Unless otherwise specified: VSS=0V,Topt=-40 to +85
°
C
Input and Output Conditions: VIH=0.8
×
VCC,VIL=0.2
×
VCC,VOH=0.8
×
VCC,VOL=0.2
×
VCC,CL=50pF
Sym
-bol
t
CES
CE Set-up Time
t
CEH
CE Hold Time
t
CR
CE Recovery Time
f
SCLK
SCLK Clock Frequency
t
CKH
SCLK Clock ”H” Time
t
CKL
SCLK Clock ”L” Time
t
CKS
SCLK Set-up Time
t
RD
Data Output Delay Time
t
RZ
Data Output Floating
Time
t
CEZ
Data Output Delay Time
After Falling of CE
t
DS
Input Data Set-up Time
t
DH
Input Data Hold Time
t
DELAY
Output Delay Time of
Voltage Detector
*1) VCC voltage interfacing with CPU is defined by Vaccess (P.4
I
RECOMMENDED OPERATING CONDITIONS)
*) For reading/writing timing, see “P.24
I
Interfacing with the CPU
G
Considerations in Reading and Writing Time
Data under special condition”.
t
CKL
t
CKH
12345
Rev.1.00 - 6 -
VDD
1.7V *1)
Min.
400
400
62
400
400
200
Item
Condi-
Tions
Typ.
Max.
1.0
300
300
Unit
ns
ns
μ
s
MHz
ns
ns
ns
ns
ns
300
ns
200
200
100
105
110
ns
ns
ms
Time
Keeping
SCLK
t
CE S
SIO(OUT)
SIO(IN)
CE
t
RD
t
CE Z
t
DS
t
DH
t
RD
t
CE H
t
CK
t
CR
t
RZ
/VDCC
VCC
t
DELAY
+VDET1
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