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PDF RTC-7301SF Data sheet ( Hoja de datos )
| Número de pieza | RTC-7301SF | |
| Descripción | (RTC-7301DG/SF) 4-bit REAL TIME CLOCK MODULE | |
| Fabricantes | Epson Company | |
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Real time clock module
4-bit REAL TIME CLOCK MODULE
RTC-7301SF/DG
Product number (please refer to page 2)
Q4273 018x0 002 00
Q4273 011x0 002 00
• 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 µA / 3 V Typ.)
• High speed parallel interface compatible with SRAM
RTC-7301SF
Actual size
RTC-7301DG
The details are mentioned in the application manual.
http://www.epsondevice.com
Specifications (characteristics)
Absolute Max. ratings
GND=0V
Item
Supply voltage
Input voltage
Output voltage(1)
Output voltage(2)
Storage temperature
Symbol
Condition
Min. Max.
VDD VDD to GND -0.3 + 7.0
VIN Input terminal,D0 to D3 pins GND -0.3 VDD+ 0.3
VOUT1
IRQ pin
GND -0.3 + 8.0
VOUT2 FOUT, D0-D3 pins, VTEMP pin GND -0.3 VDD+ 0.3
TSTG Stored as bare product after unpacking -55 +125
Unit
V
°C
Operating conditions
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
Frequency precision
∆f/fo Ta=+25 °C, VDD= 3.0 V
Oscillation start-up time
tSTA Ta=+25 °C, VDD= 2.4 V
Frequency temperature
characteristics
Ta=-10 °C to +70 °C,
TOP
VDD= 3.0 V
Frequency voltage
characteristics
Ta=+25 °C,
f/V
VDD= 1.6 V to 5.5V
Aging
fa Ta=+25 °C, VDD= 3.0 V
∗ Please ask tighter tolerance
Range
5 ± 23 ∗
3 Max.
+10/-120
±2
±5
Unit
x 10-6
s
x 10-6
x 10-6/V
x 10-6/year
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
CS0,RD,WR=VDD
IDD1 VDD= 5 V A0-A3,CS1=GND
D0-D3,IRQ=Hi-z
IDD2
VDD= 3 V
FOUT=Hi-z(OFF)
VTEMP=Hi-z(OFF)
— 1.0 2.0 µA
— 0.6 1.0 µA
Note)There is no VTEMP pin on the RTC-7301DG so
standards for the VTEMP pin within the conditions described above do not apply.
Terminal connection
RTC-7301SF
#24 #13
#1
RTC-7301DG
#18
#12
#10
#1 #9
No. Pin terminal No. Pin terminal
1 CS0 24 VDD
2 FCON 23 (VDD)
3 FOUT 22 (VDD)
4 VTEMP 21 (VDD)
5 (VDD) 20 (VDD)
6 IRQ 19 (VDD)
7 A0 18 CS1
8 A1 17 D0
9 A2 16 D1
10 A3 15 D2
11 RD 14 D3
12 GND 13 WR
No. Pin terminal No. Pin terminal
1 CS0 18 VDD
2
FOUT 17
(VDD)
3 IRQ 16 (VDD)
4 A0 15 CS1
5 A1 14 D0
6 A2 13 D1
7 A3 12 D2
8
RD 11
D3
9 GND 10 WR
(VDD) and VDD are to have the same level of voltage. Do not connect it to any external terminals.
External dimensions
RTC-7301SF (SSOP 24-pin)
10.5 Max.
(Unit: mm)
R7301
E 123 4A
2.0 Max.
0.5
0.8
0.36
0 Min.
0.15
0° to 10°
Temperature sensor characteristics GND=0 V,Ta= - 40 °C to + 85 °C
Item Symbol
Condition
Min. Typ. Max. Unit
Temperature output VTEMP Ta= +25 °C, GND based output voltage
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
∆NL -40 °C ≤ Ta ≤ +85 °C, VDD=2.7 V to 5.5 V
±2.0 %
Temperature detection range TSOP ∆NL ≤ ± 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
91 Response time
CL VDD=2.7 V to 5.5 V
RL
VDD=2.7 V to 5.5 V
500
tRSP VDD=3.3 V CL=50 pF, RL= 500 kΩ, Max. ±1 °C
100 pF
kΩ
200 µs
Note)There is no temperature sensor function on the RTC-7301DG.
Metal may be exposed on the top or bottom of this product. This won't affect any quality, reliability or electrical spec.
RTC-7301DG (DIP 18-pin)
23.1 Max.
RTC7301
E 123 4A
7.62
2.54 0.46
90° to 105°
0.25
1 page | ||
| Páginas | Total 2 Páginas | |
| PDF Descargar | [ Datasheet RTC-7301SF.PDF ] | |
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| RTC-7301SF | (RTC-7301DG/SF) Application Manual | Epson Company |
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