at49bv320a ATMEL Corporation, at49bv320a Datasheet - Page 27

• Manufacturer Part Number: at49bv320a
• Description: 32-megabit 2m X 16/4m X 8 3-volt Only Flash Memory
• Manufacturer: ATMEL Corporation

Table 1. Common Flash Interface Definition for 32M
3308D–FLASH–5/03
AT49BV320A(T)/
(x16 Mode)
322A(T)
1Ah
1Bh
1Ch
1Dh
1Eh
2Ah
2Bh
2Ch
2Dh
2Eh
10h
11h
12h
13h
14h
15h
16h
17h
18h
19h
1Fh
20h
21h
22h
23h
24h
25h
26h
27h
28h
29h
2Fh
Address
AT49BV322A(T)
(x8 Mode)
2Ch
3Ch
4Ch
2Ah
2Eh
3Ah
3Eh
4Ah
4Eh
5Ah
5Ch
5Eh
20h
22h
24h
26h
28h
30h
32h
34h
36h
38h
40h
42h
44h
46h
48h
50h
52h
54h
56h
58h
AT49BV320A(T)
00B5h
00C5h
000Ah
003Eh
0051h
0052h
0059h
0002h
0000h
0041h
0000h
0000h
0000h
0000h
0000h
0027h
0036h
0004h
0000h
0010h
0004h
0000h
0002h
0002h
0016h
0001h
0000h
0000h
0000h
0002h
0000h
0000h
Data
AT49BV322A(T)
00C5h
00B5h
000Ah
003Eh
0051h
0052h
0059h
0002h
0000h
0041h
0000h
0000h
0000h
0000h
0000h
0027h
0036h
0004h
0000h
0010h
0004h
0000h
0002h
0002h
0016h
0002h
0000h
0000h
0000h
0002h
0000h
0000h
Comments
“Q”
“R”
“Y”
VCC min write/erase
VCC max write/erase
VPP min voltage
VPP max voltage
Typ word write – 12 µs
Typ block erase, 1000 ms
Typ chip erase, 50,000 ms
Max word write/typ time
n/a
Max block erase/typ block erase
Max chip erase/ typ chip erase
Device size
AT49BV320A – x16 device,
AT49BV321A/322A – x8/x16 device
AT49BV320A – x16 device,
AT49BV321A/322A – x8/x16 device
Multiple byte write not supported
Multiple byte write not supported
2 regions, x = 2
64K bytes, Y = 62
64K bytes, Y = 62
64K bytes, Z = 256
AT49BV32XA(T)
27