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參數(shù)資料
| 型號： | X1205V8T1 |
| 廠商： | INTERSIL CORP |
| 元件分類： | XO, clock |
| 英文描述： | 2-Wire RTC Real Time Clock/Calendar |
| 中文描述： | REAL TIME CLOCK, PDSO8 |
| 封裝： | 4.40 MM, PLASTIC, TSSOP-8 |
| 文件頁數(shù)： | 13/22頁 |
| 文件大小： | 407K |
| 代理商： | X1205V8T1 |
and I
OL
= 3 mA
X1205 – Preliminary Information
REV 1.0.9 8/29/02
Characteristics subject to change without notice.
13 of 22
www.xicor.com
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.
The device enters the Program state 200nS after a stop ending a write operation and continues for t
WC
.
The device goes into the Timekeeping state 200nS after any stop, except those that initiate a nonvolatile write cycle; t
WC
after a
stop that initiates a nonvolatile 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
V
CC
= 0V
V
BACK
= 0V
V
SDA
= V
SCL
=V
CC
, Others = GND or V
CC
V
SDA
=V
SCL
=V
BACK
, Others = GND or V
BACK
(10) V
SDA
= GND or V
CC
, V
SCL
= GND or V
CC
(11) I
OL
= 3.0mA at 5V, 1mA at 2.7V
(13) Threshold voltages based on the higher of Vcc or Vback.
(14) Using recommended crystal and oscillator network applied to X1 and X2 (25°C).
(15) Typical values are for T
A
= 25°C
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
Capacitance
T
A
= 25°C, f = 1.0 MHz, V
CC
= 5V
Symbol
C
OUT
(1)
Output Capacitance (SDA, IRQ)
C
IN
(1)
Input Capacitance (SCL)
Notes:
(1)
This parameter is not 100% tested.
The input capacitance between x1 and x2 pins can be varied between 5pF and 19.75pF by using analog trimming registers
(2)
AC CHARACTERISTICS
AC Test Conditions
Figure 14. Standard Output Load for testing the device with V
CC
= 5.0V
Parameter
Max.
10
10
Units
pF
pF
Test Conditions
V
OUT
= 0V
V
IN
= 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
100pF
5.0V
For V
OL
= 0.4V
Equivalent AC Output Load Circuit for V
CC
= 5V
1316
5.0V
IRQ
100pF
806
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