PCF8583
NXP Semiconductors
Clock and calendar with 240 x 8-bit RAM
6.2 Pin description
Table 3.
Symbol
Pin description
Pin
Type
Description
DIP8
SO8
HVQFN20
(PCF8583P)
(PCF8583T)
(PCF8583BS)
OSCI
1
1
2
input
oscillator input, 50 Hz or event-pulse
input
OSCO
A0
2
3
4
5
6
7
8
-
2
3
4
5
6
7
8
-
3
output
input
oscillator output
address input
4
VSS
5[1]
12
13
14
15
supply
ground supply voltage
SDA
SCL
INT
input/output
input
serial data line
serial clock line
output
supply
-
open-drain interrupt output (active LOW)
supply voltage
VDD
n.c.
1, 6 to 11, 16 to
20
not connected; do not connect and do not
use as feed through
[1] The die paddle (exposed pad) is connected to VSS and should be electrically isolated.
PCF8583
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© NXP B.V. 2010. All rights reserved.
Product data sheet
Rev. 06 — 6 October 2010
4 of 37
NXP [ NXP ]
