參數(shù)資料
型號(hào): X1203S8
英文描述: IC-SMD-RTC WITH EEPROM
中文描述: 集成電路表面貼裝與EEPROM的時(shí)鐘
文件頁(yè)數(shù): 15/20頁(yè)
文件大?。?/td> 88K
代理商: X1203S8
X1203
Characteristics subject to change without notice.
15 of 20
AC SPECIFICATIONS
T
A
= -55°C to +125°C, V
CC
= +2.7V to +5.5V, unless otherwise specified.
Notes:
(1) Typical values are for T
A
= 25°C and V
CC
= 5.0V
(2) This parameter is periodically sampled and not 100% tested.
(3) Cb = total capacitance of one bus line in pF.
TIMING DIAGRAMS
Bus Timing
Symbol
f
SCL
t
IN
t
AA
t
BUF
t
LOW
t
HIGH
t
SU:STA
t
HD:STA
t
SU:DAT
t
HD:DAT
t
SU:STO
t
DH
t
R
t
F
Cb
Parameter
Min.
0
50
0.1
1.3
1.3
0.6
0.6
0.6
100
0
0.6
50
Max.
400
Units
KHz
nS
μ
S
μ
S
μ
S
μ
S
μ
S
μ
S
nS
μ
S
μ
S
nS
nS
nS
pF
SCL clock frequency
Pulse width suppression time at inputs
SCL LOW to SDA data out valid
Time the bus must be free before a new transmission can start
Clock LOW time
Clock HIGH time
Start condition setup time
Start condition hold time
Data in setup time
Data in hold time
Stop condition setup time
Data output hold time
SDA and SCL rise time
SDA and SCL fall time
Capacitive load for each bus line
0.9
20 +.1Cb
(3)
20 +.1Cb
(3)
300
300
400
t
SU:STO
t
DH
t
HIGH
t
SU:STA
t
HD:STA
t
HD:DAT
t
SU:DAT
SCL
SDA IN
SDA OUT
t
F
t
LOW
t
BUF
t
AA
t
R
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