Real Time Clock Modules - Seiko Epson
RTC-8583/RTC-8593/RTC-8593SB
Features
鈥?The Built-in Quartz Crystal. thus Adjustment Free
with 10pF Gate capacitor
鈥?Package (SOP-14 Pin) Worlds smallest
鈥?Three mode operations: internal crystal oscillation,
external 50Hz clock and event counter
鈥?I
2
C-Bus Interface Compatible
鈥?Built-in 240 x 8 bit S-RAM is Available (RTC8583)
鈥?Alarm and Timer Functions are Available
鈥?Wide Operating Voltage Range 2.5V to 6.0V
鈥?Wide Data Hold Voltage Range 1.0V to 6.0V
鈥?Low current consumption (RTC8593, 1.0碌A(chǔ) Typical)
鈥?Full Application Notes available
Specifications
Absolute Maximum Rating
Frequency Characteristics
Item
Symbol Condition
V
DD
-GND
MIN.
MAX. Unit
V
V
mA
mA
擄C
Item
Frequency tolerance
Frequency temperature
characteristics
Frequency voltage
characteristics
Oscillation
Start-up time
Aging
Symbol
鈭唂/fo
top
fv
Condition
Ta=25擄C,
V
DD
=5V
Ta=-10 to 70擄C,
V
DD
=5V
Ta=25擄C,
V
DD
=2.0 to 6.0V
Ta=25擄C, V
DD
-5V
Ta=25擄C, V
DD
=5V
first year
MAX. Unit
A: 5鹵20 ppm
B: 5鹵50
+10
-120
ppm
鹵3
ppm
Supply voltage
V
DD
Data Holding Voltage V
IN
Input current
li
Output current
lo
Storage
T
STG
temperature
-0.8
+7.0
GND-0.8 V
DD
+0.8
10
10
-55
+125
Operating Range
t
STA
fa
3
鹵5
Item
Operating voltage
Data Holding Voltage
Operating temperature
External capacitor
Symbol
V
DD
V
CLK
T
OPR
Cq
MIN.
MAX.
Unit
V
V
擄C
pF
sec
ppm/
year
2.5
6.0
1.0
6.0
-30
+70
10 鹵 5%
Ordering Information
ACT Stock No.
RTC8583A (20ppm)
RTC8583B (50ppm)
ACT Stock No.
RTC8593A (20ppm)
RTC8593B (50ppm)
DC Characteristics
Item
鈥淗鈥?input voltage
鈥淟鈥?input voltage
鈥淟鈥?output current
Input leak current
SDA
SDA
SDA
SDA
AO
RESET
OSC1
INT
INT
SCL
Symbol Condition
V
IH
V
IL
I
OL
I
L
MIN
0.7V
DD
-0.8
3
TYP. MAX. Unit
V
DD
+0.8
0.3
1
V
V
mA
碌A(chǔ)
VCL=0.4V
VIN=V
DD
or GND
VIN=V
DD
or GND
VCL=0.4V
VIN=V
DD
or GND
fSCL=100Hz
V
DD
=5V,
fSCL=0Hz
V
DD
=3V,
fSCL=0Hz
V
DD
=2V,
fSCL=0Hz
V
DD
=5V,
fSCL=0Hz
V
DD
=3V,
fSCL=0Hz
V
DD
=2V,
fSCL=0Hz
Leak current
Output current
Leak current
Source current
(access)
1
8583 2
Current
Consumption
3
1
I
L
I
OL
I
L
I
DDO
I
DDI
I
DD2
I
DD3
I
DD1
I
DD2
I
DD3
250
1
1
200
10
3.5
2.0
3.0
1.2
1.0
50
15
10
15
10
8
碌A(chǔ)
mA
碌A(chǔ)
碌A(chǔ)
碌A(chǔ)
碌A(chǔ)
碌A(chǔ)
碌A(chǔ)
碌A(chǔ)
碌A(chǔ)
(Non access) 8593 2
3
T E L : + 4 4 1 6 3 5 5 2 8 5 2 0 FA X : + 4 4 1 6 3 5 5 2 8 4 4 3
1
2
3
