EN29F040A EON [Eon Silicon Solution Inc.], EN29F040A Datasheet - Page 2

• Manufacturer Part Number: EN29F040A
• Description: 4 Megabit (512K x 8-bit) Flash Memory
• Manufacturer: EON [Eon Silicon Solution Inc.]

TABLE 1. PIN DESCRIPTION
This Data Sheet may be revised by subsequent versions
or modifications due to changes in technical specifications.
Pin Name
DQ0-DQ7
A0-A18
W E
OE
Vcc
Vss
CE
Sector
7
6
5
4
3
2
1
0
Data Inputs/Outputs
Supply Voltage
Output Enable
Write Enable
Chip Enable
(5V ± 10% )
Addresses
Function
Ground
50000h – 5FFFFh
40000h – 4FFFFh
30000h – 3FFFFh
70000h - 7FFFFh
60000h - 6FFFFh
20000h - 2FFFFh
10000h - 1FFFFh
00000h - 0FFFFh
ADDRESSES
TABLE 2. SECTOR ARCHITECTURE
SIZE (Kbytes)
Rev. B, Issue Date: 2004/04/01
2
64
64
64
64
64
64
64
64
©2003 Eon Silicon Solution, Inc., www.essi.com.tw
A0 - A18
FIGURE 1. LOGIC DIAGRAM
A18
CE
OE
WE
1
1
1
1
0
0
0
0
18
A17
1
1
0
0
1
1
0
0
EN29F040A
Vcc
Vss
EN29F040A
A16
1
0
1
0
1
0
1
0
8
DQ0 - DQ7