AT49LV8192-20TC Datasheet PDF - ATMEL Corporation
| Part Number | AT49LV8192-20TC | |
| Description | 8-Megabit 512K x 16 CMOS Flash Memory | |
| Manufacturers | ATMEL Corporation | |
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Features
• Low Voltage Operation
– 2.7V Read
– 5V Program/Erase
• Fast Read Access Time - 120 ns
• Internal Erase/Program Control
• Sector Architecture
– One 8K Words (16K bytes) Boot Block with Programming Lockout
– Two 8K Words (16K bytes) Parameter Blocks
– One 488K Words (976K bytes) Main Memory Array Block
• Fast Sector Erase Time - 10 seconds
• Word-By-Word Programming - 30 µs/Word
• Hardware Data Protection
• DATA Polling For End Of Program Detection
• Low Power Dissipation
– 25 mA Active Current
– 50 µA CMOS Standby Current
• Typical 10,000 Write Cycles
Description
The AT49BV8192 and AT49LV8192 are 3-volt, 8-megabit Flash Memories organized
as 512K words of 16 bits each. Manufactured with Atmel’s advanced nonvolatile
CMOS technology, the devices offer access times to 120 ns with power dissipation of
just 67 mW at 2.7V read. When deselected, the CMOS standby current is less than 50
µA. (continued)
Pin Configurations
Pin Name
Function
A0 - A18
Addresses
CE Chip Enable
OE Output Enable
WE Write Enable
RESET
Reset
VPP
Program/Erase Power
Supply
I/O0 - I/O15
Data
Inputs/Outputs
NC No Connect
TSOP Top View
Type 1
A15
A14
A13
A12
A11
A10
A9
A8
NC
WE NC
RESET
VPP NC
NC
A18
A17
A7
A6
A5
A4
A3
A2
A1
1
2
3
4
5
6
7
8
9
10
11
12
14 13
15
16
17
18
19
20
21
22
23
24
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
A16
NC
GND
I/O15
I/O7
I/O14
I/O6
I/O13
I/O5
I/O12
I/O4
VCC
I/O11
I/O3
I/O10
I/O2
I/O9
I/O1
I/O8
I/O0
OE
GND
CE
A0
SOIC (SOP)
VPP
A18
A17
A7
A6
A5
A4
A3
A2
A1
A0
CE
GND
OE
I/O0
I/O8
I/O1
I/O9
I/O2
I/O10
I/O3
I/O11
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
44 RESET
43 WE
42 A8
41 A9
40 A10
39 A11
38 A12
37 A13
36 A14
35 A15
34 A16
33 NC
32 GND
31 I/O15
30 I/O7
29 I/O14
28 I/O6
27 I/O13
26 I/O5
25 I/O12
24 I/O4
23 VCC
8-Megabit
(512K x 16)
CMOS Flash
Memory
AT49BV8192
AT49BV8192T
AT49LV8192
AT49LV8192T
0978B-A–11/97
1
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AT49BV/LV8192(T)
Command Definition (in Hex)(1)
Command
Sequence
Bus
Cycles
1st Bus
Cycle
Addr Data
2nd Bus
Cycle
Addr Data
3rd Bus
Cycle
Addr Data
4th Bus
Cycle
Addr Data
5th Bus
Cycle
Addr Data
6th Bus
Cycle
Addr Data
Read
Chip Erase
Sector Erase
1 Addr DOUT
6 5555 AA 2AAA 55 5555 80 5555 AA 2AAA 55 5555 10
6 5555 AA 2AAA 55 5555 80 5555 AA 2AAA 55 SA(4)(5) 30
Word Program
Boot Block Lockout(2)
4 5555 AA 2AAA 55 5555 A0 Addr DIN
6 5555 AA 2AAA 55 5555 80 5555 AA 2AAA 55 5555 40
Product ID Entry
Product ID Exit(3)
3 5555 AA 2AAA 55 5555 90
3 5555 AA 2AAA 55 5555 F0
Product ID Exit(3)
1 xxxx F0
Notes: 1. The DATA FORMAT in each bus cycle is as follows: I/O15 - I/O8 (Don’t Care); I/O7 - I/O0 (Hex)
2. The 8K word boot sector has the address range 00000H to 01FFFH for the AT49BV/LV8192 and 7E000H to 7FFFFH for the
AT49BV/LV8192T.
3. Either one of the Product ID Exit commands can be used.
4. SA = sector addresses:
For the AT49BV/LV8192
SA = 03XXX for PARAMETER BLOCK 1
SA = 05XXX for PARAMETER BLOCK 2
SA = 7FXXX for MAIN MEMORY ARRAY
For the AT49BV/LV8192T
SA = 7DXXX for PARAMETER BLOCK 1
SA = 7BXXX for PARAMETER BLOCK 2
SA = 79XXX for MAIN MEMORY ARRAY
5. When the boot block programming lockout feature is not enabled, the boot block and the main memory block will erase
together (form the same sector erase command). Once the boot region has been protected, only the main memory array
sector will erase when its sector erase command is issued.
Absolute Maximum Ratings*
Temperature Under Bias ................................ -55°C to +125°C
Storage Temperature ..................................... -65°C to +150°C
All Input Voltages
(including NC Pins)
with Respect to Ground ...................................-0.6V to +6.25V
All Output Voltages
with Respect to Ground .............................-0.6V to VCC + 0.6V
Voltage on RESET
with Respect to Ground ...................................-0.6V to +13.5V
*NOTICE:
Stresses beyond those listed under “Absolute
Maximum Ratings” may cause permanent dam-
age to the device. This is a stress rating only and
functional operation of the device at these or any
other conditions beyond those indicated in the
operational sections of this specification is not
implied. Exposure to absolute maximum rating
conditions for extended periods may affect device
reliability.
5
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| Information | Total 13 Pages | |
| Link URL | [ Copy URL to Clipboard ] | |
| Download | [ AT49LV8192-20TC.PDF Datasheet ] | |
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Featured Datasheets
| Part Number | Description | MFRS |
| AT49LV8192-20TC | The function is 8-Megabit 512K x 16 CMOS Flash Memory. ATMEL Corporation | |
| AT49LV8192-20TI | The function is 8-Megabit 512K x 16 CMOS Flash Memory. ATMEL Corporation | |
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