name:         PCF8594C-2
function:     I2C 512x8-bit CMOS EEprom
package:      DIP8,8
manufacturer: Philips

    +--()--+
 wp | 1   8| Vdd
 a1 | 2   7| ptc
 a2 | 3   6| scl
Vss | 4   5| sda
    +------+


This pinout came from the Chipdir:
http://www.chipdir.org/