2 Pin Descriptions

The descriptions of the pins are listed in Table 2-1.

Table 2-1. Pin Function Table
Name32-Lead PLCC28-Lead SOICFunction
DC1Don’t Connect
NC21No Connect
A1232Address
A743Address
A654Address
A565Address
A476Address
A387Address
A298Address
A1109Address
A01110Address
NC12No Connect
I/O01311Data Input/Output
I/O11412Data Input/Output
I/O21513Data Input/Output
GND1614Ground
DC17Don’t Connect
I/O31815Data Input/Output
I/O41916Data Input/Output
I/O52017Data Input/Output
I/O62118Data Input/Output
I/O72219Data Input/Output
CE2320Chip Enable
A102421Address
OE2522Output Enable
NC26No Connect
A112723Address
A92824Address
A82925Address
NC3026No Connect
WE3127Write Enable
VCC3228Device Power Supply