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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 |
| 文件頁數(shù)： | 14/20頁 |
| 文件大?。?/td> | 88K |
| 代理商： | X1203S8 |
X1203
Characteristics subject to change without notice.
14 of 20
Notes:
(1) The device enters the active state after any start, and remains active: for 9 clock cycles if the device select bits in the slave address
byte are incorrect or until 200nS after a stop ending a read or write operation.
(2) The device enters the program state 200nS after a stop ending a write operation and continues for t
WC
.
(3) The device goes into the Timekeeping state 200nS after any stop, except those that initiate a non volatile write cycle; t
WC
after a
stop that initiates a non volatile write cycle; or 9 clock cycles after any start that is not followed by the correct device select bits in the
slave address byte.
(4) For reference only and not tested.
(5) V
IL
= V
CC
x 0.1, V
IH
= V
CC
x 0.9, f
SCL
= 400KHz, SDA = open
(6) V
IL
= V
CC
x 0.1, V
IH
= V
CC
x 0.9, f
SCL
= 400KHz, f
SDA
= 400KHz, V
CC
= 1.22 x V
CC
Min.
(7) V
CC
= 0V.
(8) V
BACK
= 0V.
(9) V
SDA
=V
SCL
=V
CC
, Others=GND or V
CC
(10)V
SDA
=V
SCL
=V
BACK
, Others=GND or V
BACK
(11)V
SDA
= GND to V
CC,
V
CLK
= GND or V
CC
(12)I
OL
= 3.0mA at 5V, 1.5mA at 1.8V
(13)I
OH
= -1.0mA at 5V, -0.4mA at 1.8V
(14)Threshold voltages based on the higher of Vcc or Vback.
(16)Driven by external 32.768KHz wave oscillator on X1, X2 open.
(17)Using recommended crystal and oscillator network applied to X1 and X2 (25°C). Periodically sampled and not 100% tested.
Capacitance
(T
A
= 25°C, f = 1.0 MHz, V
CC
= 5V)
Symbol
C
OUT
(Notes:)
Output Capacitance (SDA, IRQ)
C
IN
(Notes:)
Input Capacitance (SCL)
Notes:
(1) This parameter is periodically sampled and not 100% tested.
Parameter
Max
8
6
Units
pF
pF
Test Conditions
V
OUT
= 0V
V
IN
= 0V
AC CHARACTERISTICS
AC Test Conditions
EQUIVALENT AC OUTPUT LOAD CIRCUIT
FOR V
CC
= 5V
Figure 13. Standard Output Load for testing the de-
vice with V
CC
= 5.0V
Input pulse levels
Input rise and fall times
Input and output timing levels
Output load
V
CC
x 0.1 to V
CC
x 0.9
10ns
V
CC
x 0.5
Standard Output Load
SDA
1533
100pF
5.0V
For VOL= 0.4V
and IOL = 3 mA
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