參數(shù)資料
型號(hào)： RX-4045SA-3
元件分類： XO, clock
英文描述： REAL TIME CLOCK, PDSO14
封裝： SOP-14
文件頁數(shù)： 2/3頁
文件大?。?/td> 43K
代理商： RX-4045SA-3
New Product
RX-4045 Preliminary 2002.8 Ver 0.1
s Specifications
1. Operating range
Item
Symbol
Condition
Min.
Max.
Unit
Supply voltage
VDD
1.70
5.5
V
Data holding voltage
VCLK
1.15
5.5
V
Operating temperature range
TOPR
-40
+85
°C
2. Frequency characteristics
Item
Symbol
Condition
Max.
Unit
Frequency tolerance
f / fo
Ta=+25 °C , VDD=3.0 V
5 ± 5
X 10
-6
Frequency temperature
characteristics
Ta=-10 ~ +70 °C , VDD=3.0 V
+10 / -120
X 10
-6
Aging
fa
Ta=+25
°C, VDD=3.0 V,
First year
± 5
X 10
-6
3. DC characteristics
Item
Symbol
Condition
Min.
Typ.
Max.
Unit
Current consumption
Backup mode
IDD
Output=Open, VDD=3 V
0.48
1.2
A
VDD detect voltage (High)
VDETH
Ta = +25 °C
1.90
2.10
2.30
V
VDD detect voltage (Low)
VDETL
Ta = +25 °C
1.15
1.30
1.45
V
s Register table
Address
Item
bit 7
bit 6
bit 5
bit 4
bit 3
bit 2
bit 1
bit 0
00
SEC.
-
S40
S20
S10
S8
S4
S2
S1
01
MIN.
-
M40
M20
M10
M8
M4
M2
M1
02
HOUR
-
H20
P/A
H10
H8
H4
H2
H1
03
WEEK
-
W4
W2
W1
04
DAY
-
D20
D10
D8
D4
D2
D1
05
MONTH
20/19
-
MO10
MO8
MO4
MO2
MO1
06
YEAR
Y80
Y40
Y20
Y10
Y8
Y4
Y2
Y1
07
Digital offset
0
F6
F5
F4
F3
F2
F1
F0
08
Alarm_W
( MIN. )
-
WM40
WM20
WM10
WM8
WM4
WM2
WM1
09
Alarm_W
( HOUR )
-
WH20
WP/A
WH10
WH8
WH4
WH2
WH1
0A
Alarm_W
( WEEK )
-
WW6
WW5
WW4
WW3
WW2
WW1
WW0
0B
Alarm_D
( MIN. )
-
DM40
DM20
DM10
DM8
DM4
DM2
DM1
0C
Alarm_D
( HOUR )
-
DH20
DP/A
DH10
DH8
DH4
DH2
DH1
0D
-
0E
Control register1
WALE
DALE
24/12
/CLEN2
TEST
CT2
CT1
CT0
0F
Control register 2
VDSL
VDET
/XST
PON
/CLEN1
CTFG
WAFG
DAFG
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