AT29C256-90TC Atmel, AT29C256-90TC Datasheet - Page 6

• Manufacturer Part Number: AT29C256-90TC
• Manufacturer: Atmel

Specifications of AT29C256-90TC

• Density: 256Kb
• Access Time (max): 90ns
• Interface Type: Parallel
• Boot Type: Not Required
• Address Bus: 15b
• Operating Supply Voltage (typ): 5V
• Operating Temp Range: 0C to 70C
• Package Type: TSOP-I
• Program/erase Volt (typ): 4.5 to 5.5V
• Sync/async: Asynchronous
• Operating Temperature Classification: Commercial
• Operating Supply Voltage (min): 4.5V
• Operating Supply Voltage (max): 5.5V
• Word Size: 8b
• Number Of Words: 32K
• Supply Current: 50mA
• Mounting: Surface Mount
• Pin Count: 28
• Lead Free Status / Rohs Status: Not Compliant

6. DC and AC Operating Range
7. Operating Modes
Notes:
8. DC Characteristics
6
Operating
Temperature (Case)
V
Note:
Mode
Read
Program
5V Chip Erase
Standby/Write Inhibit
Write Inhibit
Write Inhibit
Output Disable
High Voltage Chip Erase
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
Power Supply
1. X can be V
2. Refer to AC Programming Waveforms.
3. V
4. Manufacturer Code: 1F, Device Code: DC.
5. See details under Software Product Identification Entry/Exit.
(2)
AT29C256
(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
Not recommended for New Designs.
IL
±
or V
0.5V.
IH
.
Com.
Ind.
CE
V
V
V
V
V
V
X
X
X
IH
IL
IL
IL
IL
IL
Condition
V
V
CE = V
CE = 2.0V to V
f = 5 MHz; I
I
I
I
OL
OH
OH
IN
I/O
AT29C256-70
-40°C - 85°C
= 2.1 mA
= 0V to V
= -400 µA
= -100 µA; V
V
= 0V to V
0°C - 70°C
OE
V
V
V
V
X
V
V
5V ± 5%
X
H
IH
IH
IH
IL
(1)
IL
IL
(3)
CC
- 0.3V to V
OUT
CC
CC
CC
= 0 mA
CC
WE
= 4.5V
V
V
V
V
V
V
X
X
X
IH
IH
IH
CC
IL
IL
IL
AT29C256-90
-40°C - 85°C
0°C - 70°C
5V± 10%
A1-A14 = V
A1-A14 = V
IL
IL
A0 = V
A0 = V
Min
2.0
2.4
4.2
, A9 = V
, A9 = V
Ai
Ai
Ai
Ai
X
X
AT29C256-12
IH
IL
-40°C - 85°C
0°C - 70°C
5V± 10%
H
H
, A0 = V
, A0 = V
Max
0.45
300
IH
IL
0.8
10
10
50
3
I/O
D
D
High Z
High Z
High Z
Manufacturer Code
Device Code
Manufacturer Code
Device Code
OUT
IN
AT29C256-15
-40°C - 85°C
0°C - 70°C
0046S–FLASH–2/07
5V± 10%
Units
(4)
(4)
mA
mA
µA
µA
µA
V
V
V
V
V
(4)
(4)