PCF8570 Philips Semiconductors, PCF8570 Datasheet - Page 11

• Manufacturer Part Number: PCF8570
• Description: 256 x 8-bit static low-voltage RAM with I2C-bus interface
• Manufacturer: Philips Semiconductors

Philips Semiconductors
13 APPLICATION INFORMATION
13.1
1999 Jan 06
handbook, full pagewidth
256
I
It is recommended that a 4.7 F/10 V solid aluminium capacitor (SAL) be connected between V
2
C-bus interface
Application example
8-bit static low-voltage RAM with
V DD
V DD
V DD
V DD
0
0
0
1
0
0
1
1
1
A0
A1
A2
A0
A1
A2
A0
A1
A2
TEST
TEST
TEST
PCF8570
PCF8570
PCF8570
'1010'
'1010'
'1010'
V DD
V DD
V DD
Fig.11 Application diagram.
V SS
V SS
V SS
SCL
SCL
SCL
SDA
SDA
SDA
11
SDA
(I C bus)
2
SCL
SDA
up to 8 PCF8570C
SCL
R
V DD
DD
TRANSMITTER/
RECEIVER
and V
R
MASTER
V DD
R: pull up resistor
R =
SS
.
C BUS
r t
MLB931
Product specification
PCF8570