AB0811-T3 ABRACON, AB0811-T3 Datasheet - Page 5

• Manufacturer Part Number: AB0811-T3
• Description: Real Time Clock Interface SPI HH
• Manufacturer: ABRACON

Specifications of AB0811-T3

• Rohs: yes
• Function: Clock, Calendar, Alarm
• Rtc Bus Interface: SPI
• Time Format: HH
• Supply Voltage - Max: 3.6 V
• Supply Voltage - Min: 1.7 V
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Package / Case: QFN-16

4.
The AB08XX package pins are described below. The thermal pad on the QFN-16 packages must be connected to VSS. All
NC pins must be left unconnected.
CLKOUT/nIRQ3
Date of Issue: Sept. 10
FOUT/nIRQ
Pin Name
nTIRQ
VBAT
nIRQ2
EXTI
Package Pin Description
VCC
SDO
SDA
WDI
VSS
SCL
nCE
SDI
XO
XI
Page (4) of (12)
(1) WDI
nIRQ2
NC
NC
Pin Type
(1) – Available in AB0804 and AB0804 only, else NC
(2) – Available in AB0803 and AB0805 only, else VSS
(3) – Available in AB0814 and AB0815 only, else NC
(4) – Available in AB0813 and AB0815 only, else VSS
(1) – Available in AM0804 and AM0804 only, else NC
(2) – Available in AM0803 and AM0805 only, else VSS
(3) – Available in AM0814 and AM0815 only, else NC
(4) – Available in AM0813 and AM0815 only, else VSS
Output
Output
Output
Output
Output
Power
Power
Power
Input
Input
Input
Input
Input
Input
1
XT
XT
th
AB080X
AM080X
, 2012
PAD
VSS
Function
Ground
System power supply
Crystal input
Crystal output
Battery power supply
I
SPI data output
SPI data input
SPI chip select
I
External interrupt input
Watchdog reset input
Interrupt 1/function output
Interrupt 2/output
Interrupt 3/clock output
Timer interrupt output
2
2
C or SPI interface clock
C data input/output
nTIRQ (1)
FOUT/nIRQ
EXTI (1)
VSS
Real Time Clock Module
Abracon Drawing #
AB08XX Series
3.0 x 3.0 mm
(3) WDI
nIRQ2
NC
NC
1
AB081X
AM081X
01
14
13
16
15
11
5,
9,
VSS
PAD
7
6
4
03
14
13
16
15
11
9,
5
7
6
4
Pin Number in AB08XX
04
14
13
16
15
10
11
12
5,
9,
7
6
2
4
8
nCE
FOUT/nIRQ
EXTI (3)
SDI
Revision #: Initial Release
05
14
13
16
15
10
11
12
9,
5
7
6
2
4
8
11
14
13
16
15
12
11
5,
7
6
9
4
ESD Sensitive
13
14
13
16
15
12
11
5
7
6
9
4
14
14
13
16
15
12
10
11
5,
7
6
9
2
4
8
15
14
13
16
15
12
10
11
5
7
6
9
2
4
8