參數(shù)資料
型號： RTC-7301SFB-3
廠商： EPSON TOYOCOM CORP
元件分類： 時(shí)鐘/數(shù)據(jù)恢復(fù)及定時(shí)提取
英文描述： REAL TIME CLOCK, PDSO24
封裝： SSOP-24
文件頁數(shù)： 1/3頁
文件大?。?/td> 294K
代理商： RTC-7301SFB-3
93
Real time clock module
94
Real time clock module
4-bit REAL TIME CLOCK MODULE
RTC-7301SF / DG
Product number (please refer to page 5)
Q 4 2 7 3 0 1 8 x 0 0 0 2 0 0
Q 4 2 7 3 0 1 1 x 0 0 0 2 0 0
Built-in crystal oscillator 32.768 kHz with frequency adjusted
Frequency selectable clock output (32.768 kHz to 1/30 Hz)
Built-in 30 second adjustment function, digital pace adjustment function (Max.
adjustment: ±192 x 10-6)
Built-in alarm and timer interrupt functions.
Built-in semiconductor temperature sensor (Voltage output: -7.8 mV / °C,
RTC-7301SF)
Operating voltage range:2.4 V to 5.5 V, time keeping voltage range: 1.6 V to 5.5 V
Low current consumption (0.6 A / 3 V Typ.)
High speed parallel interface compatible with SRAM
Available for lead (Pb) - free soldering.
Available for lead (Pb) - free terminal.
The details are mentioned in the application manual.
Specifications (characteristics)
Absolute Max. rating
GND = 0V
Item
Symbol
Condition
Min.
Max.
Unit
Supply voltage
VDD
VDD to GND
-0.3
+7.0
V
Input voltage
VIN
Input terminal, D0 to D3 pins GND -0.3 VDD +0.3
Output voltage (1)
VOUT1 I
_____
RQ pin
GND -0.3
+8.0
Output voltage (2)
VOUT2 FOUT, D0-D3 pins,VTEMP pin GND -0.3 VDD +0.3
Storage temperature
TSTG
Stored as bare product
after unpacking
-55
+125
°C
Operating range
GND = 0V
Item
Symbol
Condition
Min.
Max.
Unit
Power voltage
VDD
2.4
5.5
V
Clock voltage
VCLK
1.6
5.5
V
Operating temperature
TOPR
No condensation
-40
+85
°C
Frequency characteristics
Item
Symbol
Condition
Range
Unit
Frequency precision
Δf/f
Ta = +25 °C, VDD = 3.0 V
B: 5 ±23 x 10-6
Oscillation start-up time
tSTA
Ta = +25 °C, VDD = 2.4 V
3 Max.
s
Frequency temperature
characteristics
Top
Ta = -10 °C to +70 °C
VDD = 3.0 V
+10 /
-120
x 10-6
Frequency voltage
characteristics
f/V
Ta = +25 °C,
VDD = 1.6 V to 5.5V
±2
x 10-6 / V
Aging
fa
Ta = +25 °C, VDD = 3.0 V
±5
x 10-6 / year
Please ask tighter tolerance
DC characteristics
GND = 0 V, VDD = 1.6 V to 5.5 V, Ta = -40 °C to +85 °C
Item
Symbol
Condition
Min. Typ. Max. Unit
Current consumption
(When non-accessed)
FOUT = Output OFF
VTEMP = Output OFF
IDD1
VDD = 5 V
C
_____
S0, R
___
D, W
____
R = VDD
A0 -A3, CS1 = GND
D0 -D3, IRQ = Hi-z
FOUT = Hi-z (OFF)
VTEMP = Hi-z (OFF)
–
1.0
2.0
A
IDD2
VDD = 3 V
–
0.6
1.0
A
Note)There is no VTEMP pin on the RTC-7301DG so
standards for the VTEMP pin within the conditions described above do not apply.
Temperature sensor characteristics
GND = 0 V, Ta = -40 °C to + 85 °C
Item
Symbol
Condition
Min. Typ. Max. Unit
Temperature output
voltage
VTEMP Ta = +25 °C, GND based output voltage
VTEMP pins, VDD = 2.7 V to 5.5 V
1.470
V
Output precision
TACR Ta = +25 °C, VDD = 2.7 V to 5.5 V
±5.0 °C
Temperature
sensitivity
VSE
-40 °C ≤ Ta ≤ +85 °C,
VDD = 2.7 V to 5.5 V
-7.3 -7.8 -8.3 mV / °C
Linearity
ΔNL -40 °C ≤ Ta ≤ +85 °C, VDD = 2.7 V to 5.5 V
±2.0
%
Temperature detection range TSOP ΔNL ≤ ± 2.0 %, VDD = 2.7 V to 5.5 V -40
+85 °C
Output resistance
R0
Ta = +25 °C, VTEMP pins, VDD = 2.7 V to
5.5 V GND standard and VDD standard
1.0 3.0 kΩ
Load condition
CL
VDD = 2.7 V to 5.5 V
100 pF
RL
VDD = 2.7 V to 5.5 V
500
kΩ
Response time
tRSP VDD= 3.3 V CL= 50 pF, RL= 500 kΩ,Max.±1 °C
200
s
Note)There is no temperature sensor function on the RTC-7301DG.
Terminal connection
#1
#18
#9
#10
#1
#24
#12
#13
No.
1
2
3
4
5
6
7
8
9
No.
18
17
16
15
14
13
12
11
10
CS0
FOUT
IRQ
A0
A1
A2
A3
RD
GND
VDD
(VDD)
CS1
D0
D1
D2
D3
WR
No.
1
2
3
4
5
6
7
8
9
10
11
12
No.
24
23
22
21
20
19
18
17
16
15
14
13
CS0
FCON
FOUT
VTEMP
(VDD)
IRQ
A0
A1
A2
A3
RD
GND
VDD
(VDD)
CS1
D0
D1
D2
D3
WR
Pin terminal
External dimensions
(Unit: mm)
23.1 Max.
2.54
Min.
0.2
Min.
6.3
4.2
(DIP 18-pin)
(SSOP 24-pin)
2.0 Max.
0 Min.
7.62
0.25
10.2
±0.3
5.4
7.8
±0.3
0.5
0.15
90
° to 105°
0
° to 10°
0.8
0.36
2.54
0.46
Metal may be exposed on the top or bottom of this product. This won't affect any quality, reliability or electrical spec.
Actual size
RTC-7301DG
RTC-7301SF
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