AT27C256R

2 Pin Description

The description of the pins are listed in Table 2.1.

Table 2-1. Pin Description
Name	32-Lead PLCC	28-Lead PDIP	Function
A0 - A14	3-11; 24; 27-31	2-10; 21; 23-27	Address inputs
O0 - O7	13-15; 18-22	11-13; 15-19	Outputs
CE	23	20	Chip Enable
OE	25	22	Output Enable
NC	1; 12; 17; 26	—	No Connect
V_PP	2	1	Programming Voltage
V_CC	32	28	Device Power Supply
GND	16	14	Ground

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