PCF8573TD NXP Semiconductors, PCF8573TD Datasheet - Page 18

• Manufacturer Part Number: PCF8573TD
• Manufacturer: NXP Semiconductors

Specifications of PCF8573TD

• Operating Temperature Classification: Industrial
• Operating Temperature (max): 85C
• Operating Temperature (min): -40C
• Pin Count: 16
• Mounting: Surface Mount
• Time Format: HH:MM:SS
• Lead Free Status / RoHS Status: Not Compliant

Philips Semiconductors
14 APPLICATION INFORMATION
2003 Jan 27
handbook, full pagewidth
handbook, full pagewidth
Clock/calendar with serial I/O
detection circuit
with very high
impedance
Fig.15 Application example of the PCF8573 with common V
Fig.14 Application example of the PCF8573 clock/calendar with battery backup.
R1
R2
R3
5 V
128
PFIN
EXTPF V DD
A0
SCL
CONTROLLER
8 BIT STATIC CMOS RAM
R
MASTER
A1
MICRO-
SDA
V SS
PCF8570
PCF8573
V SS2 TEST V SS1
V DD
R
V SS
permanent charging
OSCO
V DD
32.768 kHz
R ch : resistor for
OSCI
SDA
SCL
R: pull-up
resistor
(NiCa)
1.2 V
C T
A0
A1
TEST
PFIN
EXTPF
SCL
V SS2
18
PCF8573
R
1.5 V
I
SDA
2
C bus
V SS1
OSCO
V DD
OSCI
R
SDA
SCL
SEGMENT DRIVER
8 DIGIT LCD
PCF8577
MICROCONTROLLER
64 LCD
MASTER DEVICE
C T
SS1
SCL
C
and V
PCF8571
MBL811
SDA
V SS
SS2
5 V
V DD
supply.
MBL812
SDA
SCL
Product specification
PCF8573