X28C512 Xicor, X28C512 Datasheet - Page 2

• Manufacturer Part Number: X28C512
• Description: 5 Volt/ Byte Alterable E2PROM
• Manufacturer: Xicor

X28C512/X28C513
PIN DESCRIPTIONS
Addresses (A
The Address inputs select an 8-bit memory location
during a read or write operation.
Chip Enable (CE)
The Chip Enable input must be LOW to enable all read/
write operations. When CE is HIGH, power consumption
is reduced.
Output Enable (OE)
The Output Enable input controls the data output buffers
and is used to initiate read operations.
Data In/Data Out (I/O
Data is written to or read from the X28C512/513 through
the I/O pins.
Write Enable (WE)
The Write Enable input controls the writing of data to the
X28C512/513.
FUNCTIONAL DIAGRAM
0
–A
15
)
0
–I/O
7
A 7 –A 15
)
A 0 –A 6
V CC
V SS
WE
OE
CE
LATCHES AND
LATCHES AND
X BUFFERS
Y BUFFERS
LOGIC AND
DECODER
DECODER
CONTROL
TIMING
2
PIN NAMES
DATA INPUTS/OUTPUTS
A
I/O
WE
CE
OE
V
V
NC
Symbol
0
CC
SS
–A
0
AND LATCHES
I/O BUFFERS
–I/O
15
512K-BIT
E 2 PROM
I/O 0 –I/O 7
ARRAY
7
Address Inputs
Data Input/Output
Write Enable
Chip Enable
Output Enable
+5V
Ground
No Connect
Description
3856 FHD F05
3856 PGM T01