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AT49BV4096 Datasheet(PDF) 4 Page - ATMEL Corporation

Part No. AT49BV4096
Description  4-Megabit 256K x 16 3-volt Only CMOS Flash Memory
Download  11 Pages
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Maker  ATMEL [ATMEL Corporation]
Homepage  http://www.atmel.com
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AT49BV4096 Datasheet(HTML) 4 Page - ATMEL Corporation

 
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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 OE
with Respect to Ground ................... -0.6V to +13.5V
*NOTICE: Stresses beyond those listed under “Absolute Maxi-
mum Ratings” may cause permanent damage to the device.
This is a stress rating only and functional operation of the
device at these or any other conditions beyond those indi-
cated in the operational sections of this specification is not
implied. Exposure to absolute maximum rating conditions
for extended periods may affect device reliability.
Absolute Maximum Ratings*
Command Definition (in Hex)
(1)
Command
Sequence
Bus
Cycles
1st Bus
Cycle
2nd Bus
Cycle
3rd Bus
Cycle
4th Bus
Cycle
5th Bus
Cycle
6th Bus
Cycle
Addr
Data
Addr
Data
Addr
Data
Addr
Data
Addr
Data
Addr
Data
Read
1Addr
DOUT
Chip Erase
6
5555
AA
2AAA
55
5555
80
5555
AA
2AAA
55
5555
10
Sector
Erase
6
5555
AA
2AAA
55
5555
80
5555
AA
2AAA
55
SA
(4, 5)
30
Word
Program
4
5555
AA
2AAA
55
5555
A0
Addr
DIN
Boot Block
Lockout
(2)
6
5555
AA
2AAA
55
5555
80
5555
AA
2AAA
55
5555
40
Product ID
Entry
3
5555
AA
2AAA
55
5555
90
Product ID
Exit
(3)
3
5555
AA
2AAA
55
5555
F0
Product ID
Exit
(3)
1xxxx
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.
3. Either one of the Product ID Exit commands
can be used.
4. SA = sector addresses:
SA = 03XXX for PARAMETER BLOCK 1
SA = 05XXX for PARAMETER BLOCK 2
SA = 1FXXX 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
sense: if VCC is below 1.8V (typical), the program function
is inhibited. (b) VCC power on delay: once VCC ha s
reached the VCC sense level, the device will automat-
ically time out 10 ms (typical) before programming. (c)
Program inhibit: holding any one of OE low, CE high or
WE high inhibits program cycles. (d) Noise filter: pulses of
less than 15 ns (typical) on the WE or CE inputs will not
initiate a program cycle.
INPUT LEVELS: While operating with a 2.7V to 3.6V
power supply, the address inputs and control inputs (OE,
CE, and WE) may be driven from 0 to 5.5V without ad-
versely affecting the operation of the device. The I/O lines
can only be driven from 0 to VCC + 0.6V.
4
AT49BV/LV4096


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