參數(shù)資料
型號(hào): DS1306
英文描述: Serial Alarm Real Time Clock RTC
中文描述: 帶有鬧鐘的串行實(shí)時(shí)時(shí)鐘
文件頁(yè)數(shù): 18/20頁(yè)
文件大小: 277K
代理商: DS1306
DS1306
18 of 20
NOTES:
1.
All voltages are referenced to ground.
2.
Logic 0 voltages are specified at a sink current of 4 mA at V
CC
=5V and 1.5 mA at V
CC
=2.0V,
V
OL
=GND for capacitive loads.
3.
I
CC1T
and I
CC2T
are specified with CE set to a logic 0.
4.
I
CC1A
and I
CC2A
are specified with CE= V
CC
, SCLK=2 MHz (0-V
CC
) at V
CC
=5V; SCLK=500 kHz
(0-V
CC
) at V
CC
=2.0V.
5.
Measured at V
IH
=2.0V or V
IL
=0.8V and 10 ms maximum rise and fall time.
6.
Measured with 50 pF load.
7.
Measured at V
OH
=2.4V or V
OL
=0.4V.
8.
V
CC
=V
CC1
, when V
CC1
>V
CC2
+0.2V (typical); V
CC
=V
CC2
, when V
CC2
>V
CC1
.
9.
V
CC2
=0V.
10.
V
CC1
=0V.
11.
V
CC1
<V
BAT
.
12.
Logic 1 voltages are specified at a source current of 1 mA at V
CC
=5V and 0.4 mA at 2.0V,
V
OH
=V
CC
for capacitive loads.
13.
V
CCIF
must be less than or equal to the largest of V
CC1
, V
CC2
, and V
BAT
.
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