Document
Real time clock module
I C-BUS INTERFACE REAL TIME CLOCK MODULE 2
RTC-8564JE/NB RX-8564CF
Product number (please refer to page 2) Q4185647x000100 Q4185649x0000200 Q418 564Ax000100
• Built-in crystal unit allows adjustment-free efficient operation. • Compliant with I2C high-speed bus specifications. (400 kHz) • Equipped with alarm, timer, and frequency output (32.768 kHz, 1024 Hz,32 Hz,1 Hz) features. • Operating in wide voltage range from 1.8 V to 5.5 V,
and in wide range of clock voltage from 1.0 V to 5.5 V. (RTC-8564JE/NB : -20°C to +70°C / RX-8564CF:+25°C) • Low power consumption at 275 nA/3.0 V. (Typ.)
The details are mentioned in the application manual.
RTC-8564JE RTC-8564NB RX-8564CF Actual size
http://www.epsondevice.com The I2C-Bus is a trademark of Philips Electronics N.V.
Specifications (characteristics) Absolute Max. rating
Item Supply voltage Input voltage Output voltage
Symbol VDD VI Vo
Condition VDD to GND
Input pin INT pins
Min. -0.5
GND-0.5
DC Input current
II
DC Output current
Io
Storage temperature
TSTG
Operating range
—
Stored as bare product after unpacking
-10 -55
Item
Symbol Condition
Min.
Power voltage
VDD
I2C-BUS access at 400 kHz
1.8
Clock voltage
VCLK — VLOW
Operating temperature TOPR No condensation -40
Frequency characteristics
Max. +6.5 VDD+0.5
10 +125
Max.
5.5 +85
Unit V V
mA ˚C
Unit
V ˚C
Item
Symbol
Condition
Range
Unit
Frequency tolerance ∆f/fo Ta=+25 ˚C, VDD=3.0 V 5±23∗ × 10-6
Oscillation start-up time
Frequency temperature characteristics
tSTA Top
Ta=+25 ˚C, VDD=1.8 V Reference at +25˚C, Ta=-10 ˚C to +70 ˚C,VDD=3.0 V
3 Max.
+10 -120
s × 10-6
Frequency voltage characteristics
RTC- Ta=+25 ˚C,
8564JE/NB VDD=1.0 V to 5.5 V
f/V
RX-
Ta=+25 ˚C,
±2 Max. × 10-6/V
8564CF
VDD=1.8 V to 5.5 V
Aging
fa
∗ Please ask tighter tolerance
DC characteristics
Ta=+25 ˚C, VDD=3.0 V
±5 × 10-6/year
(GND=0 V, VDD=1.8 V to 5.5 V, Ta=-40 ˚C to +85 ˚C)
1.3 ±0.1
1.3 5.4 1.5 Max.
External dimensions/Terminal connection (Unit: mm)
RTC-8564JE(VSOJ 20-pin)
#20 #11
R8564
E 1234A
#1 #10 7.0 ±0.3
No. Pin terminal No. Pin terminal
1 N.C 20 N.C
2 N.C 19 N.C
3 CLKOE 18
N.C
4 VDD 17 N.C
5 CLKOUT 16
N.C
6 SCL 15 N.C
7 SDA 14 N.C
8 (GND) 13
N.C
9 GND 12 N.C
10 INT 11 N.C
6.2 Max.
0.65 0.22 0 Min.
(0.75)
(0.75)
RTC-8564NB(SON 22-pin)
4.8 5.0 ±0.2
6.3 Max. #22 #14
R8564
#1 0.5
E 1234A
#11 0.2
No. Pin terminal No. Pin terminal
1 INT 22 N.C
2 GND 21 N.C
3 (GND) 20
N.C
4 N.C 19 N.C
5 SDA 18 N.C
6 SCL 17 N.C
7 CLKOUT 16
N.C
8 VDD 15 N.C
9 CLKOE 14
N.C
10 N.C 13
11 N.C 12
Item Pin Symbol Condition Min. Typ. Max. Unit
Power current (during access)
IDD0 fSCL=400 kHz fSCL=100 kHz
800 —
200
Power current
fSCL=0 Hz, VDD=5.0 V
0.33 0.80
(not during access)
IDD fSCL=0 Hz, VDD=3.0 V
0.275 0.70
(CLKOUT=0 Hz)
—
fSCL=0 Hz, VDD=2.0 V — 0.25 0.65 µA
Power current (not during access)
fSCL=0 Hz, VDD=5.0 V IDD32k fSCL=0 Hz, VDD=3.0 V
2.5 3.4 1.5 2.2
(CLKOUT=32.768 kHz)
fSCL=0 Hz, VDD=2.0 V
1.1 1.6
“L” input voltage “H” input voltage
VIL -0.5 0.3 VDD
VIH
— 0.7 VDD
VDD+0.5 V
“L” output current
“L” output current
“H” output current Leakage current
SDA IOL
-3
INT CLKOUT
IOL IOL
VOL=0.4 V, VDD=5 V -1
IOH —
—
— mA
1
ILO VOUT=VDD or GND -1
1 µA
Low voltage detection
—
Ta=-40 °C to +85 °C
1.1
RTC-8564JE/NB Low voltage detection
VLOW
Ta=-20 °C to +70 °C Ta=-40 °C to +85 °C
—
0.9 1.0 1.2
V
89 RX-8564CF
Ta=-+25 °C
1.0
0.35
RX-8564CF(SON 10-pin)
5.0 ±0.2
#10 #6
E8564 123A
#1 #5
3.2 ±0.2
0.4 0.26 1.0
0.6 1.2 Max.
No. Pin terminal No. Pin terminal
1 VDD 10 CLKOE
2 CLKOUT 9
N.C
3 N.C 8 N.C
4 SCL 7 INT
5 SDA 6 GND
Metal may be exposed on the top or bottom of this product. This won't affect any quality, reliability or electrical spec.
Register table
Address Register symbol 0 Control 1 1 Control 2 2 Sec 3 Min 4 Hour 5 Day 6 Day of Week 7 Month/Century 8 Year 9 Minutes Alarm A Hours Alarm B Day Alarm C Week Alarm D CLKOUT frequency E Timer control F Timer
0 : Always set this bit to“0”.
bit 7 TEST
0 VL ∗ ∗ ∗ ∗ C Year 80 AE AE AE AE FE TE 128
bit 6 0 0
S 40 Min 40
∗ ∗ ∗ ∗ Year 40 A-Min 40 ∗ ∗ ∗ ∗ ∗ 64
bit 5 STOP
0 S 20 Min 20 Hour 20 Day 20
∗ ∗ Year 20 A-Min 20 A-Hr 20 A-Day 20 ∗ ∗ ∗ 32
bit 4 0
TI/TP S 10 Min 10 Hour 10 Day 10
∗ Month 10 Year 10 A-Min 10 A-Hr 10 A-Day 10
∗ ∗ ∗ 16
bit 3 TEST
AF S8 Min 8 Hour 8 Day 8 ∗ Month 8 Year 8 A-Min 8 A-Hr 8 A-Day 8 ∗ ∗ ∗ 8
Real time clock module
bit 2 0 TF S4
Min 4 Hour 4 Day 4
W4 Month 4 Year 4 A-Min 4 A-Hr 4 A-Day 4 A-W 4
∗ ∗ 4
bit 1 0 AIE S2
Min 2 Hour 2 Day 2
W2 Month 2 Year 2 A-Min 2 A-Hr 2 A-Day 2 A-W 2
FD1 TD1
2
bit 0 0 TIE S1
Min 1 Hour 1 Day 1
W1 Month 1 Year 1 A-Min 1 A-Hr 1 A-Day 1 A-W 1
FD0 TD0
1
AC characteristics
Item
Symbol
SCL clock frequency
fSCL
Tolerance spike time on bus
tSP
Start condition set-up time
tSU;STA
Start condition Hold time
tHD;STA
SCL “L” time
tLOW
SCL “H” time
tHIGH
SCL and SDA rise time
tr
SCL and SDA f.