PCF8583
NXP Semiconductors
Clock and calendar with 240 x 8-bit RAM
3. Ordering information
Table 1.
Ordering information
Type number
Package
Name
DIP8
Description
Version
PCF8583P
PCF8583T
plastic dual in-line package; 8 leads (300 mil)
SOT97-1
SO8
plastic small outline package; 8 leads;
body width 7.5 mm
SOT176-1
PCF8583BS
HVQFN20 plastic thermal enhanced very thin quad flat package; SOT662-1
no leads; 20 terminals; body 5 × 5 × 0.85 mm
4. Marking
Table 2.
Marking codes
Type number
PCF8583P
PCF8583T
PCF8583BS
Marking code
PCF8583P
8583T
8583S
5. Block diagram
00h
control/status
OSCI
DIVIDER
01h hundredth second
OSCILLATOR
OSCO
INT
02h
03h
04h
seconds
minutes
hours
year/date
05h
06h
07h
08h
V
V
DD
CONTROL
LOGIC
POWER-ON
RESET
weekdays/months
timer
SS
alarm control
PCF8583
to
alarm or RAM
0Fh
A0
2
I C-BUS
ADDRESS
REGISTER
SCL
SDA
RAM
(240 x 8 bit)
INTERFACE
FFh
013aaa365
Fig 1. Block diagram of PCF8583
PCF8583
All information provided in this document is subject to legal disclaimers.
© NXP B.V. 2010. All rights reserved.
Product data sheet
Rev. 06 — 6 October 2010
2 of 37
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