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參數(shù)資料
| 型號： | X1240S8 |
| 英文描述： | Real Time Clock/Calendar with EEPROM |
| 中文描述： | 實時時鐘/日歷帶有EEPROM |
| 文件頁數(shù)： | 14/19頁 |
| 文件大小： | 74K |
| 代理商： | X1240S8 |
X1240
14
(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.
For reference only and not tested.
V
IL
= V
CC
x 0.1, V
IH
= V
CC
x 0.9, f
SCL
= 400KHz, SDA = Open
V
IL
= V
CC
x 0.1, V
IH
= V
CC
x 0.9, f
SCL
= 400KHz, f
SDA
= 400KHz, Vcc = 1.22 x Vcc Min
V
CC
= 0V.
V
BACK
= 0V.
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 2.7V
(13) I
OH
= -1.0mA at 5V, -0.4mA at 2.7V
(14) Threshold voltages based on the higher of Vcc or Vback.
(15) Driven by external 32.768KHz square wave oscillator on X1, X2 open.
(16) Using recommended crystal and oscillator network applied to X1 and X2 (25°C).
(17) Periodically sampled and not 100% tested.
(4)
(5)
(6)
(7)
(8)
(9)
CAPACITANCE
(T
A
= 25C, f = 1.0 MHz, V
CC
= 5V)
Notes:
(1) This parameter is periodically sampled and not 100% tested.
AC CHARACTERISTICS
Symbol
C
OUT
(Notes:)
Parameter
Max
Units
Test Conditions
Output Capacitance (SDA)
8
pF
V
OUT
= 0V
C
IN
(Notes:)
Input Capacitance (SCL)
6
pF
V
IN
= 0V
AC Test Conditions
EQUIVALENT AC OUTPUT LOAD CIRCUIT FOR
V
CC
= 5V
(Standard Output Load for testing the device
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 V
OL
= 0.4V
and I
OL
= 3 mA
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| X1240S8I | Real Time Clock/Calendar with EEPROM |
| X1240V8 | Real Time Clock/Calendar with EEPROM |
| X1240V8I | Real Time Clock/Calendar with EEPROM |
| X1243 | Real Time Clock/Calendar/Alarm with EEPROM |
| X1243S8 | Real Time Clock/Calendar/Alarm with EEPROM |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| X1240S8I | 制造商:XICOR 制造商全稱:Xicor Inc. 功能描述:Real Time Clock/Calendar with EEPROM |
| X1240V8 | 制造商:Intersil Corporation 功能描述:Real Time Clock, Non-Volatile, 8 Pin, Plastic, TSSOP |
| X1240V8I | 制造商:XICOR 制造商全稱:Xicor Inc. 功能描述:Real Time Clock/Calendar with EEPROM |
| X1241V8I-2.7A | 制造商:Intersil Corporation 功能描述:REAL TIME CLOCK SERL 2KBYTE 8TSSOP N - Rail/Tube |
| X1241V8I-4.5A | 制造商:Intersil Corporation 功能描述:REAL TIME CLOCK SERL 2KBYTE 8TSSOP N - Rail/Tube |
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