參數(shù)資料
型號(hào): R2023T-E2
廠商: RICOH COMPANY LTD
元件分類: XO, clock
英文描述: 2-wire Serial Interface Real Time Clock IC
中文描述: REAL TIME CLOCK, PDSO10
封裝: 4 X 2.90 MM, 1 MM HEIGHT, TSSOP-10
文件頁(yè)數(shù): 6/50頁(yè)
文件大?。?/td> 512K
代理商: R2023T-E2
R2023K/T
AC ELECTRICAL CHARACTERISTICS
6
Unless otherwise specified: V
SS
=0V,Topt=-40 to +85
°
C
Input and Output Conditions: V
IH
=0.8
×
V
DD
,V
IL
=0.2
×
V
DD
,V
OH
=0.8
×
V
DD
,V
OL
=0.2
×
V
DD
,CL=50pF
Sym
-bol
f
SCL
SCL Clock Frequency
t
LOW
SCL Clock Low Time
t
HIGH
SCL Clock High Time
t
HD;STA
Start Condition Hold Time
t
SU;STO
Stop Condition Set Up Time
t
SU;STA
Start Condition Set Up Time
t
SU;DAT
Data Set Up Time
t
HD;DAT
Data Hold Time
t
PL;DAT
SDA “L” Stable Time
After Falling of SCL
t
PZ;DAT
SDA off Stable Time
After Falling of SCL
t
R
Rising Time of SCL and SDA
(input)
t
F
Falling Time of SCL and SDA
(input)
t
SP
Spike Width that can be
removed with Input Filter
t
RCV
Recovery Time from Stop
Condition to Start Condition
*) For reading/writing timing, see “P.28 Interfacing with the CPU
Data Transmission under Special Conditions”.
S
V
DD
1.7V *1)
Typ.
Item
Condi-
Tions
Min.
Max.
400
0.9
Unit
1.3
0.6
0.6
0.6
0.6
200
0
kHz
μ
s
μ
s
μ
s
μ
s
μ
s
ns
ns
μ
s
0.9
μ
s
300
ns
300
ns
50
ns
62
μ
s
SDA(OUT)
SCL
Sr
P
t
PZ;DAT
t
HIGH
t
SU;DAT
t
HD;STA
t
SP
t
SU;STO
t
LOW
t
SU;STA
SDA(IN)
t
HD;STA
t
PL;DAT
Sr
P
Stop Condition
S
Start Condition
Repeated Start Condition
t
HD;DAT
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