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AT49F040A Datasheet(PDF) 6 Page - ATMEL Corporation

Part No. AT49F040A
Description  4-megabit (512K x 8) 5-volt Only Flash Memory
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Manufacturer  ATMEL [ATMEL Corporation]
Direct Link  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

AT49F040A Datasheet(HTML) 6 Page - ATMEL Corporation

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6
AT49F040A
3359B–FLASH–10/04
Notes:
1. X can be VIL or VIH.
2. Refer to AC Programming Waveforms.
3. V
H = 12.0V ± 0.5V.
4. Manufacturer Code: 1FH, Device Code: 13H.
5. See details under Software Product Identification Entry/Exit.
Note:
1. In the erase mode, I
CC is 90 mA.
DC and AC Operating Range
AT49F040A-55
AT49F040A-70
Operating Temperature (Case)
Ind.
-40
°C - 85°C
-40
°C - 85°C
VCC Power Supply
5V ± 10%
5V ± 10%
Operating Modes
Mode
CE
OE
WE
Ai
I/O
Read
VIL
VIL
VIH
Ai
DOUT
Program/Erase
(2)
V
IL
V
IH
V
IL
Ai
D
IN
Standby/Write Inhibit
V
IH
X(1)
X
X
High Z
Program Inhibit
X
X
VIH
X
V
IL
X
Output Disable
X
V
IH
X
High Z
Reset
X
X
X
X
High Z
Product Identification
Hardware
V
IL
V
IL
V
IH
A1 - A18 = V
IL, A9 = VH,
(3) A0 = V
IL
Manufacturer Code(4)
A1 - A18 = VIL, A9 = VH,
(3) A0 = V
IH
Device Code
(4)
Software
(5)
A0 = V
IL, A1 - A18 =VIL
Manufacturer Code
(4)
A0 = V
IH, A1 - A18 =VIL
Device Code(4)
DC Characteristics
Symbol
Parameter
Condition
Min
Max
Units
I
LI
Input Load Current
V
IN = 0V to VCC
10
µA
I
LO
Output Leakage Current
V
I/O = 0V to VCC
10
µA
ISB1
VCC Standby Current CMOS
CE = VCC - 0.3V to VCC
70
µA
I
SB2
V
CC Standby Current TTL
CE = 2.0V to V
CC
1mA
I
CC
(1)
V
CC Active Current
f = 5 MHz; I
OUT = 0 mA
20
mA
VIL
Input Low Voltage
0.8
V
V
IH
Input High Voltage
2.0
V
VOL
Output Low Voltage
IOL = 2.1 mA
0.45
V
V
OH1
Output High Voltage
I
OH = -400 µA
2.4
V
V
OH2
Output High Voltage CMOS
I
OH = -100 µA; VCC = 4.5V
4.2
V


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