Real Time Clock Module with SPI Bus
AB-RTCMC-32.768kHz-ZIZE-S2
Moisture Sensitivity Level: MSL=1
• With state-of-the-art RTC Technology by Micro Crystal AG
• RTC module with built-in “Tuning Fork” crystal oscillating at 32.768 kHz
• Ultra low power consumption: 130nA typ @ VDD = 3.0V / Tamb = 25°C
• Wide clock operating voltage: 1.1 – 5.5V
• Wide Interface operating voltage: 1.6 – 5.5V
• User programmable Frequency Offset Compensation Register for improved
time accuracy
• 4-wire SPI-Interface with a maximum data rate of 6.25 Mbits/s.
• Provides year, month, day, weekday, hours, minutes, seconds
• Alarm and Timer functions, internal low-voltage detector, power-on reset and
watchdog function.
• Open-drain Interrupt and programmable CLKOUT pins for peripheral devices
(32.768kHz down to 1Hz)
• Small and compact package-size of 5.0 x 3.2 x 1.2mm, RoHS-compliant and
100% lead-free.
Pb
RoHS/RoHS II compliant
5.0 x 3.2 x 1.2 mm
FEATURES:
• Wide range in communication & measuring equipment
• Commercial & Industrial applications
• Automotive electronics applications
• Wireless communications
• PDA and Palm Pilots
• Credit Cards with Security Technology
APPLICATIONS:
STANDARD SPECIFICATIONS:
Absolute Maximum Ratings
Parameters
Power
Supply Voltage (V
DD
)
Supply Current (I
DD
; I
SS
)
Input Voltage
(V
I
)
Output Voltage (V
O
)
DC
Input
Current (I
I
)
DC
Output Current
(I
O
)
Total
Power
Dissipation
(P
TOT
)
Operating Temperature Range (T
OPR
)
Storage Temperature (T
STO
)
-40
-55
Min.
GND-0.5
-50
GND-0.5
GND-0.5
-10
-10
Typ.
Max.
+6.5
+50
V
DD
+0.5
V
DD
+0.5
+10
+10
300
+85
+125
Units
V
mA
V
V
mA
mA
mW
ºC
ºC
Stored as bare product
V
DD
Pin
Input
Pin
INT /
CLKOUT
Notes
>GND
/ <V
DD
Frequency and Time Characteristics
Parameters
Frequency
Accuracy (∆F/F)
Frequency vs
Voltage (∆F/V)
Frequency vs Temperature
(∆F/T
OPR
)
Turnover
Temperature (T
O
)
Aging (first
y
ear)
Start-up Time (T
START
)
CLKOUT
duty cycle
Achievable
Time Accuracy with
Correct
Frequency-Offset
Compensation (∆T/T)
1)
2)
ABRACON IS
ISO 9001 : 2008
ISO 9001 / QS 9000
CERTIFIED
V
DD
=3.0V;
V
SS
=0V;
T
AMB
=+25°C;
f
OSC
=32.768kHz
Min.
Typ.
±10
Max.
±20
Units
ppm
ppm/V
ppm
°C
ppm
ms
%
Notes
T
AMB
=+25°C;
V
DD
=3.0V
T
AMB
=+25°C;
V
DD
=1.8~5.5V
T
reference
=+25°C;
V
DD
=3.0V
±0.8
±1.0
2
-0.035ppm/°C *(T
OPR
-T
O
)
2
*
±10%
+20
+25
+30
-3
500
40
50
±3
1)
+3
1000
60
±5
2)
T
AMB
=+25°C
V
DD
=3.0V
T
AMB
=+25°C
ppm
Based on
customer
set correct Frequency Offset Compensation in
“normal”
mode
Based on
customer
set correct Frequency Offset Compensation in
“coarse”
mode
Visit www.abracon.com for Terms & Conditions of Sale
30332 Esperanza, Rancho Santa Margarita, California 92688
tel 949-546-8000
|
fax 949-546-8001
| www.abracon.com
Revised: 02.06.13
Real Time Clock Module with SPI Bus
AB-RTCMC-32.768kHz-ZIZE-S2
Static Characteristics
V
DD
=1.1~5.5V;
V
SS
=0V;
T
AMB
=-40°C
~+85°C; f
OSC
=32.768kHz
Pb
Min.
1.1
1.6
0.9
120
130
140
Typ.
RoHS/RoHS II compliant
5.0 x 3.2 x 1.2 mm
Parameters
Supplies
Supply Voltage (V
DD
)
Minimum Supply Voltage Detection
(V
OSC(min)
)
V
DD
=2.0V
V
DD
=3.0V
V
DD
=5.0V
V
DD
=2.0V
V
DD
=3.0V
V
DD
=5.0V
2)
2)
2)
2)
2)
2)
Max.
5.5
5.5
Units
Notes
Time-keeping mode
SPI bus
inactive
SPI bus active
T
AMB
=+25°C
1)
V
V
nA
SPI bus
inactive
CLKOUT
disabled
T
AMB
=+25°C
350
370
400
280
360
540
470
570
770
250
30
2.5
1.5
1.1
400
80
3.4
2.2
1.6
30%* V
DD
70%* V
DD
-0.5
-1
-1
0
0
240
550
0.5
+1
V
V
V
µA
kΩ
µA
µA
nA
nA
nA
SPI bus
inactive
CLKOUT
disabled
T
AMB
=
-40°C ~ +85°C
Supply
Current
(I
DD
)
V
DD
=2.0V
V
DD
=3.0V
V
DD
=5.0V
V
DD
=2.0V
V
DD
=3.0V
V
DD
=5.0V
f
SCL
=4.5MHz;V
DD
=5.0V
f
SCL
=1.0MHz;V
DD
=3.0V
f
SCL
=
0Hz;V
DD
=5.0V
f
SCL
=
0Hz;V
DD
=3.0V
f
SCL
=
0Hz;V
DD
=2.0V
SPI bus
inactive
CLKOUT
enabled
CLKOUT =32.768kHz
T
AMB
=+25°C
SPI bus
inactive
CLKOUT
enabled
CLKOUT =32.768kHz
T
AMB
=
-40°C ~ +85°C
SPI bus active
CLKOUT
enabled
T
AMB
=+25°C
Current
Consumption
(I
DD32K
)
Input
CLKOUT =32.768kHz
C
LOAD
=7.5pF
LOW Level Input
Voltage (V
IL
)
HIGH Level Input
Voltage (V
IH
)
Input Voltage
(V
I
)
Pins: CL, SCL,
SDI, CLKOE
V
I
=
V
DD
or V
SS
Input Leakage
SCL,SDI,CLKOE,CLKOUT
Current
(I
L
)
V
I
=
V
SS
on pin CE
Pull-down
resistance (R
PD
) on pin CE
ABRACON IS
ISO 9001 : 2008
ISO 9001 / QS 9000
CERTIFIED
Visit www.abracon.com for Terms & Conditions of Sale
30332 Esperanza, Rancho Santa Margarita, California 92688
tel 949-546-8000
|
fax 949-546-8001
| www.abracon.com
Revised: 02.06.13
Real Time Clock Module with SPI Bus
AB-RTCMC-32.768kHz-ZIZE-S2
Pb
RoHS/RoHS II compliant
5.0 x 3.2 x 1.2 mm
Input
Capacitance (C
I
)
3)
7
Min.
4)
pF
Units
Notes
(Continued)
Parameters
Output
Output
Voltage (V
O
)
Pin:
SDO
Pins: CLKOUT;
INT
Pin:
SDO
Typ.
Max.
5.5
V
DD
+0.5
V
DD
0.4
20%* V
DD
1.5
-0.5
-0.5
80%* V
DD
V
SS
V
SS
V
V
V
mA
mA
HIGH Level Output
Voltage (V
OH
)
Pins: CLKOUT;
INT
LOW Level
V
DD
=
5V/ I
OL
= 1.5mA
Output
Voltage (V
OL
)
Pin:
SDO
HIGH Level Output Current
(I
OH
)
Pin:
SDO; V
OH
=
4.6V/ V
DD
=
5V
Pin:
SDO, INT,
CLKOUT;
V
OL
=
0.4V/ V
DD
=
5V
V
O
=
V
DD
or V
SS
1)
2)
3)
4)
LOW Level
Output
Current
(I
OL
)
Output Leakage Current
(I
LO
)
-1.5
-1
0
+1
µA
For reliable oscillator
start-up
at
power-up:
V
DD
=
V
DD
(min) + 0.3V.
Timer
source
clock
=
1/60 Hz,
level
of pins CE, SDI and
SCL
either V
DD
or V
SS
.
Implicit by design.
Refers to external pull-up
voltage
Dynamic Characteristics SPI-Bus
ABRACON IS
ISO 9001 : 2008
ISO 9001 / QS 9000
CERTIFIED
Visit www.abracon.com for Terms & Conditions of Sale
30332 Esperanza, Rancho Santa Margarita, California 92688
tel 949-546-8000
|
fax 949-546-8001
| www.abracon.com
Revised: 02.06.13
Real Time Clock Module with SPI Bus
AB-RTCMC-32.768kHz-ZIZE-S2
Dynamic Characteristics SPI-Bus
V
DD
=1.6V
Min.
Max.
2.9
345
90
200
100
100
40
40
30
0.99
10
25
190
5
10
108
35
30
25
0.99
3
8
85
220
50
120
100
100
30
25
20
0.99
2
5
60
Pb
RoHS/RoHS II compliant
5.0 x 3.2 x 1.2 mm
V
SS
=0V;
T
AMB
=-40°C
~+85°C; All timing
values
are
valid
within the operating supply
voltage
range and references to V
IL
and
V
IH
with an input
voltage
swing from V
SS
and V
DD
.
Parameters
SCL
Clock
Frequency
(f
clk (SCL)
)
SCL
Time
(t
SCL
)
Clock
HIGH
Time (t
clk(H)
)
Clock LOW
Time (t
clk(L)
)
Rise Time
Fall Time
CE Setup Time
CE Hold Time
CE
Recovery
Time
CE
Pulse
Width
Setup Time
Hold Time
SDO Read
Delay Time
SDO Disable
Time
Transition
Time SDI to
SDO
V
DD
=2.4V
Min.
Max.
4.54
V
DD
=3.3V
Min.
Max.
5.71
175
45
95
50
50
V
DD
=5.0V
Min.
Max.
8.0
125
40
70
50
50
25
15
15
0.99
Units
MHz
ns
ns
ns
ns
ns
ns
ns
ns
s
ns
ns
ns
Notes
For SCL signal
For SCL signal
Measured after
valid
subaddress
is
received
Setup time ofr SDI
data
Hold time for SDI
data
Bus load
=
50pF
No load
value;
bus
will be held
up
by
bus-capacitance;
use
RC time constant
with application
values
To avoid bus conflict
70
45
40
27
ns
0
0
0
0
ns
ABRACON IS
ISO 9001 : 2008
ISO 9001 / QS 9000
CERTIFIED
Visit www.abracon.com for Terms & Conditions of Sale
30332 Esperanza, Rancho Santa Margarita, California 92688
tel 949-546-8000
|
fax 949-546-8001
| www.abracon.com
Revised: 02.06.13
Real Time Clock Module with SPI Bus
AB-RTCMC-32.768kHz-ZIZE-S2
PART IDENTIFICATIONS:
Pb
RoHS/RoHS II compliant
5.0 x 3.2 x 1.2 mm
AB-RTCMC-32.768 kHz-ZIZE-S2-
Packaging
Blank:
Bulk
T: 1000pcs/reel
OUTLINE DIMENSIONS:
Recommended Land Pattern
Dimensions: mm
PIN DESCRIPTIONS:
Pin No.
1
2
3
4
5
6
7
8
9
10
NC
CLKOE
Pin Name
V
DD
CLKOUT
SCL
SDI
SDO
V
SS
CE
Function
Positive supply voltage; positive
or
negative
steps in
supply voltage
may affect oscillator
performance, recommend 10 nF decoupling capacitor close to
device
Clock
Output
pin; open-drain
Serial Clock Input pin; may float when CE inactive
Serial Data
Input
pin; may float when CE inactive
Serial Data
Output
pin;
push-pull;
high-impedance when not driving; can be connected to
SDI for single-wire data line.
Ground
Chip Enable input;
active HIGH;
with internal
pull-down
Interrupt output pin;
open-drain;
active LOW
Not Connected
CLKOUT
enable/disable pin; enable is
active HIGH
ABRACON IS
ISO 9001 : 2008
ISO 9001 / QS 9000
CERTIFIED
Visit www.abracon.com for Terms & Conditions of Sale
30332 Esperanza, Rancho Santa Margarita, California 92688
tel 949-546-8000
|
fax 949-546-8001
| www.abracon.com
Revised: 02.06.13
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