参数资料
型号: RTC-7301SFB
元件分类: 时钟/数据恢复及定时提取
英文描述: REAL TIME CLOCK, PDSO24
封装: SSOP-24
文件页数: 28/28页
文件大小: 274K
代理商: RTC-7301SFB
RTC - 7301 SF / DG
Page - 6
MQ332-05
5-7. AC characteristics
* If not specifically
indicated:
GND=0 V , Ta= 40 °C to +85 °C
Input conditions: VI=0.5 × VDD, VO=0.5 × VDD
Output load: CL=100 pF ( tACC,tACS,tARD )
VDD=2.4 to 3.6V
VDD=4.5 to 5.5V
Item
Symbol
Condition
Min.
Max.
Min.
Max.
Unit
Read cycle time
tRC
-
150
-
85
-
Ns
Address access time
tACC
-
150
-
85
Ns
CE access time
tACS
-
150
-
85
Ns
RD access time
tARD
-
100
-
45
Ns
CE output set time
tCLZ
-
5
-
3
-
ns
CE output floating
tCHZ
-
60
-
30
ns
RD output set time
tOLZ
-
5
-
3
-
ns
RD output floating
tOHZ
-
60
-
30
ns
Output hold time
tOH
-
10
-
5
-
ns
Write cycle time
tWC
-
150
-
85
-
ns
Chip select time
tCW
-
140
-
70
-
ns
Address valid to end of write
tAW
-
140
-
70
-
ns
Address setup time
tAS
-
0
-
0
-
ns
Address hold time
tWR
-
0
-
0
-
ns
Write pulse width
tWP
-
130
-
65
-
ns
Input data set time
tDW
-
80
-
35
-
ns
Input data hold time
tDH
-
0
-
0
-
ns
FOUT output frequency duty
DUTY
FOUT =
32.768 kHz
40
60
40
60
%
(1) Reading data
A0 - A3
tARD
/CS0
CS1
tACS
tACC
D0 - D3
tRC
/RD
tACS
tCLZ
tOLZ
tCHZ
tOH
tOHZ
(2) W riting data
i ) CS Control
A0 - A3
/CS0
CS1
tCW
tAW
D0 - D3
tWC
/ WR
tAS
tDW
tWR
tDH
ii ) W R Control
A0 - A3
/CS0
CS1
tWP
tAW
D0 - D3
tWC
/ WR
tAS
tDW
tWR
tDH
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