4
AT49BV512
1026EFLASH06/02
Notes: 1. The 8K byte boot sector has the address range 0000H to 1FFFH.
2. Either one of the Product ID exit commands can be used.
Command Definition (in Hex)
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 1 Addr D
OUT
Chip Erase 6 5555 AA 2AAA 55 5555 80 5555 AA 2AAA 55 5555 10
Byte
Program
4 5555 AA 2AAA 55 5555 A0 Addr D
IN
Boot Block
Lockout
(1)
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
(2)
3 5555 AA 2AAA 55 5555 F0
Product ID
Exit
(2)
1 XXXX F0
Absolute Maximum Ratings*
Temperature Under Bias ............................... -55°Cto+125°C
*NOTICE: Stresses beyond those listed under Absolute
Maximum Ratingsmay 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.
Storage Temperature ..................................... -65°Cto+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 V
CC
+0.6V
Voltage on OE
with Respect to Ground ...................................-0.6V to +13.5V
5
AT49BV512
1026EFLASH06/02
Notes: 1. X can be V
IL
or V
IH
.
2. Refer to AC Programming Waveforms.
3. V
H
= 12.0V ± 0.5V.
4. Manufacturer Code: 1FH, Device Code: 03H.
5. See details under Software Product Identification Entry/Exit.
Note: 1. In the erase mode, I
CC
is 50 mA.
DC and AC Operating Range
AT49BV512-70 AT49BV512-90 AT49BV512-12 AT49BV512-15
Operating
Temperature (Case)
Com. 0°C-70°C0°C-70°C0°C-70°C0°C-70° C
Ind. -40°C-85°C-40°C-85°C-40°C-85°C-40°C-85°C
V
CC
Power Supply 2.7V to 3.6V 2.7V to 3.6V 2.7V to 3.6V 2.7V to 3.6V
Operating Modes
Mode CE OE WE Ai I/O
Read V
IL
V
IL
V
IH
Ai D
OUT
Program
(2)
V
IL
V
IH
V
IL
Ai D
IN
Standby/Write Inhibit V
IH
X
(1)
XXHighZ
Program Inhibit X X V
IH
Program Inhibit X V
IL
X
Output Disable X V
IH
XHighZ
Product Identification
Hardware V
IL
V
IL
V
IH
A1 - A15 = V
IL
,A9=V
H
,
(3)
,A0=V
IL
Manufacturer Code
(4)
A1 - A15 = V
IL
,A9=V
H
,
(3)
,A0=V
IH
Device Code
(4)
Software
(5)
A0 = V
IL
,A1-A15=V
IL
Manufacturer Code
(4)
A0 = V
IH
,A1-A15=V
IL
Device Code
(4)
DC Characteristics
Symbol Parameter Condition Min Max Units
I
LI
Input Load Current V
IN
=0VtoV
CC
10 µA
I
LO
Output Leakage Current V
I/O
=0VtoV
CC
10 µA
I
SB1
V
CC
Standby Current CMOS CE =V
CC
-0.3VtoV
CC
50 µA
I
SB2
V
CC
Standby Current TTL CE =2.0VtoV
CC
1mA
I
CC
(1)
V
CC
Active Current f = 5 MHz; I
OUT
= 0 mA 25 mA
V
IL
Input Low Voltage 0.6 V
V
IH
Input High Voltage 2.0 V
V
OL
Output Low Voltage I
OL
=2.1mA 0.45 V
V
OH
Output High Voltage I
OH
=-10A;V
CC
=3.0V 2.4 V
6
AT49BV512
1026EFLASH06/02
AC Read Waveforms
(1)(2)(3)(4)
Notes: 1. CE may be delayed up to t
ACC
-t
CE
after the address transition without impact on t
ACC
.
2. OE
may be delayed up to t
CE
-t
OE
after the falling edge of CE without impact on t
CE
or by t
ACC
-t
OE
after an address change
without impact on t
ACC
.
3. t
DF
is specified from OE or CE whichever occurs first (CL - 5 pF).
4. This parameter is characterized and is not 100% tested.
AC Read Characteristics
Symbol Parameter
AT49BV512-70 AT49BV512-90 AT49BV512-12 AT49BV512-15
UnitsMin Max Min Max Min Max Min Max
t
ACC
Address to Output Delay 70 90 120 150 ns
t
CE
(1)
CE to Output Delay 70 90 120 150 ns
t
OE
(2)
OE to Output Delay 0 35 40 50 0 70 ns
t
DF
(3, 4)
CE or OE to Output Float 0 25 0 25 0 30 0 40 ns
t
OH
Output Hold from OE,CEor
Address, whichever occurred first
0000ns
ADDRESS
CE
OUTPUT
OE
OUTPUT VALID
tACC
ADDRESS VALID
HIGH Z
tDF
tCE
tOH

AT49BV512-12TC

Mfr. #:
Manufacturer:
Description:
IC FLASH 512K PARALLEL 32TSOP
Lifecycle:
New from this manufacturer.
Delivery:
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