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PDF AT52BR1672T Data sheet ( Hoja de datos )
| Número de pieza | AT52BR1672T | |
| Descripción | 16-megabit Flash and 2-megabit/ 4-megabit SRAM Stack Memory | |
| Fabricantes | ATMEL Corporation | |
| Logotipo |  |
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Features
• 16-Mbit Flash and 2-Mbit/4-Mbit SRAM
• Single 66-ball 8 mm x 10 mm x 1.2 mm CBGA Package
• 2.7V to 3.3V Operating Voltage
Flash
• 2.7V to 3.3V Read/Write
• Access Time – 85 ns
• Sector Erase Architecture
– Thirty-one 32K Word (64K Byte) Sectors with Individual Write Lockout
– Eight 4K Word (8K Byte) Sectors with Individual Write Lockout
• Fast Word Program Time – 20 µs
• Fast Sector Erase Time – 300 ms
• Dual-plane Organization, Permitting Concurrent Read While Program/Erase
– Memory Plane A: Eight 4K Word and Seven 32K Word Sectors
– Memory Plane B: Twenty-four 32K Word Sectors
• Erase Suspend Capability
– Supports Reading and Programming from Any Sector by Suspending Erase of a
Different Sector
– Supports Reading Any Word by Suspending Programming of Any Other Word
• Low-power Operation
– 30 mA Active
– 10 µA Standby
• Data Polling, Toggle Bit, Ready/Busy for End of Program Detection
• VPP Pin for Accelerated Program/Erase Operations
• RESET Input for Device Initialization
• Sector Lockdown Support
• Top/Bottom Block Configuration
• 128-bit Protection Register
SRAM
• 2-megabit (128K x 16)/4-megabit (256K x 16)
• 2.7V to 3.3V VCC Operating Voltage
• 70 ns Access Time
• Fully Static Operation and Tri-state Output
• 1.2V (Min) Data Retention
• Industrial Temperature Range
16-megabit
Flash and
2-megabit/
4-megabit
SRAM Stack
Memory
AT52BR1672(T)
AT52BR1674(T)
Preliminary
Device Number
AT52BR1672(T)
AT52BR1674(T)
Flash Plane
Architecture
12M + 4M
12M + 4M
Flash
Configuration
16M (1M x 16)
16M (1M x 16)
SRAM
Configuration
2M (128K x 16)
4M (256K x 16)
Rev. 2604B–STKD–09/02
1
1 page  
16-megabit Flash Memory Block Diagram
I/O0 - I/O15
AT52BR1672(T)/1674(T)
OUTPUT
BUFFER
INPUT
BUFFER
A0 - A19
INPUT
BUFFER
ADDRESS
LATCH
Y-DECODER
X-DECODER
IDENTIFIER
REGISTER
STATUS
REGISTER
DATA
COMPARATOR
Y-GATING
PLANE B
SECTORS
COMMAND
REGISTER
WRITE STATE
MACHINE
PROGRAM/ERASE
VOLTAGE SWITCH
CE
WE
OE
RESET
RDY/BUSY
VPP
VCC
GND
PLANE A SECTORS
2604B–STKD–09/02
5
5 Page 
AT52BR1672(T)/1674(T)
Top Boot 16-megabit Flash (12M + 4M) – Sector Address Table
Plane
Sector
Size (Words)
x16
Address Range (A19 - A0)
B SA0
32K
00000 - 07FFF
B SA1
32K
08000 - 0FFFF
B SA2
32K
10000 - 17FFF
B SA3
32K
18000 - 1FFFF
B SA4
32K
20000 - 27FFF
B SA5
32K
28000 - 2FFFF
B SA6
32K
30000 - 37FFF
B SA7
32K
38000 - 3FFFF
B SA8
32K
40000 - 47FFF
B SA9
32K
48000 - 4FFFF
B SA10
32K
50000 - 57FFF
B SA11
32K
58000 - 5FFFF
B SA12
32K
60000 - 67FFF
B SA13
32K
68000 - 6FFFF
B SA14
32K
70000 - 77FFF
B SA15
32K
78000 - 7FFFF
B SA16
32K
80000 - 87FFF
B SA17
32K
88000 - 8FFFF
B SA18
32K
90000 - 97FFF
B SA19
32K
98000 - 9FFFF
B SA20
32K
A0000 - A7FFF
B SA21
32K
A8000 - AFFFF
B SA22
32K
B0000 - B7FFF
B SA23
32K
B8000 - BFFFF
A SA24
32K
C0000 - C7FFF
A SA25
32K
C8000 - CFFFF
A SA26
32K
D0000 - D7FFF
A SA27
32K
D8000 - DFFFF
A SA28
32K
E0000 - E7FFF
A SA29
32K
E8000 - EFFFF
A SA30
32K
F0000 - F7FFF
A SA31
4K
F8000 - F8FFF
A SA32
4K
F9000 - F9FFF
A SA33
4K
FA000 - FAFFF
A SA34
4K
FB000 - FBFFF
A SA35
4K
FC000 - FCFFF
A SA36
4K
FD000 - FDFFF
A SA37
4K
FE000 - FEFFF
A SA38
4K
FF000 - FFFFF
2604B–STKD–09/02
11
11 Page | ||
| Páginas | Total 39 Páginas | |
| PDF Descargar | [ Datasheet AT52BR1672T.PDF ] | |
Hoja de datos destacado
| Número de pieza | Descripción | Fabricantes |
| AT52BR1672 | 16-megabit Flash and 2-megabit/ 4-megabit SRAM Stack Memory | ATMEL Corporation |
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