at49f020-90ti ATMEL Corporation, at49f020-90ti Datasheet - Page 4

• Manufacturer Part Number: at49f020-90ti
• Description: 2-megabit 256k X 8 5-volt Only Flash Memory
• Manufacturer: ATMEL Corporation

DC and AC Operating Range
Operating Modes
Notes:
DC Characteristics
Note:
4
Operating
Temperature (Case)
V
Mode
Read
Program
Standby/Write Inhibit
Program Inhibit
Program Inhibit
Output Disable
Product Identification
Symbol
I
I
I
I
I
V
V
V
V
V
LI
LO
SB1
SB2
CC
OL
OH1
OH2
CC
IL
IH
Hardware
Software
(1)
Power Supply
1. X can be V
2. Refer to AC Programming Waveforms.
3. V
4. Manufacturer Code: 1FH, Device Code: 0BH.
5. See details under Software Product Identification Entry/Exit.
1. In the erase mode, I
(2)
(5)
H
Parameter
Input Load Current
Output Leakage Current
V
V
V
Input Low Voltage
Input High Voltage
Output Low Voltage
Output High Voltage
Output High Voltage CMOS
= 12.0V
CC
CC
CC
Active Current
Standby Current CMOS
Standby Current TTL
IL
or V
0.5V.
AT49F020
IH
.
CC
Com.
Ind.
is 90 mA.
CE
V
V
V
V
X
X
X
IH
IL
IL
IL
Condition
V
V
CE = V
CE = 2.0V to V
f = 5 MHz; I
I
I
I
OE
OL
OH
OH
V
V
V
X
V
V
IN
I/O
X
IH
IH
IL
(1)
IL
IL
= 2.1 mA
= -400 A
= -100 A; V
= 0V to V
= 0V to V
CC
AT49F020-90
-40°C - 85°C
- 0.3V to V
0°C - 70°C
5V
OUT
CC
WE
CC
V
V
V
V
X
X
X
CC
= 0 mA
IH
IL
IH
IH
10%
CC
= 4.5V
CC
A1 - A17 = V
A1 - A17 = V
Com.
Ind.
A0 = V
A0 = V
AT49F020-12
IL
-40°C - 85°C
IL
IH
IL
0°C - 70°C
, A9 = V
, A9 = V
5V
, A1 - A17=V
, A1 - A17=V
Ai
Ai
Ai
X
10%
H
H
,
,
(3)
(3)
Min
2.0
2.4
4.2
A0 = V
A0 = V
IL
IL
IH
IL
Max
0.45
100
300
0.8
10
10
50
I/O
D
D
High Z
High Z
Manufacturer Code
Device Code
Manufacturer Code
Device Code
3
AT49F020-15
OUT
IN
-40°C - 85°C
0°C - 70°C
5V
10%
(4)
(4)
Units
mA
mA
V
V
V
V
V
A
A
A
A
(4)
(4)