AT28C256-15PU Atmel, AT28C256-15PU Datasheet - Page 9
![IC EEPROM 256KBIT 150NS 28DIP](/photos/7/21/72189/453-28-dip_sml.jpg)
AT28C256-15PU
Manufacturer Part Number
AT28C256-15PU
Description
IC EEPROM 256KBIT 150NS 28DIP
Manufacturer
Atmel
Datasheets
1.AT28C256-15PU.pdf
(25 pages)
2.AT28C256-15PU.pdf
(8 pages)
3.AT28C256-15PU.pdf
(27 pages)
Specifications of AT28C256-15PU
Format - Memory
EEPROMs - Parallel
Memory Type
EEPROM
Memory Size
256K (32K x 8)
Speed
150ns
Interface
Parallel
Voltage - Supply
4.5 V ~ 5.5 V
Operating Temperature
-40°C ~ 85°C
Package / Case
28-DIP (0.600", 15.24mm)
Organization
32 K x 8
Interface Type
SPI
Access Time
150 ns
Output Enable Access Time
70 ns
Supply Voltage (max)
5.5 V
Supply Voltage (min)
4.5 V
Maximum Operating Current
50 mA
Maximum Operating Temperature
+ 85 C
Mounting Style
Through Hole
Minimum Operating Temperature
- 40 C
Operating Supply Voltage
5 V
Capacitance, Input
4 pF
Capacitance, Output
8 pF
Current, Input, Leakage
10 μA
Current, Operating
50 mA
Current, Output, Leakage
10
Data Retention
10 yrs.
Density
256K
Package Type
PDIP
Power Dissipation
440 mW
Temperature, Operating
-40 to +85 °C
Time, Access
150 ns
Time, Address Hold
50
Voltage, Input, High
2 V
Voltage, Input, Low
0.8 V
Voltage, Output, High
2.4 V
Voltage, Output, Low
0.45 V
Voltage, Supply
5 V
Memory Configuration
32K X 8
Supply Voltage Range
4.5V To 5.5V
Memory Case Style
DIP
No. Of Pins
28
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AT28C256-15PU
Manufacturer:
ATMEL
Quantity:
5 510
Part Number:
AT28C256-15PU
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
16. Page Mode Characteristics
17. Page Mode Write Waveforms
Notes:
18. Chip Erase Waveforms
0006M–PEEPR–12/09
Symbol
t
t
t
t
t
t
t
t
WC
AS
AH
DS
DH
WP
BLC
WPH
1. A6 through A14 must specify the same page address during each high to low transition of WE (or CE).
2. OE must be high only when WE and CE are both low.
Parameter
Write Cycle Time (option available)
Address Setup Time
Address Hold Time
Data Setup Time
Data Hold Time
Write Pulse Width
Byte Load Cycle Time
Write Pulse Width High
t
t
V
S
W
H
= t
= 10 msec (min.)
= 12.0V ± 0.5V
H
= 5 µsec (min.)
(1)(2)
AT28C256
AT28C256F
Min
100
50
50
50
0
0
Max
150
10
3
AT28C256
Units
ms
ms
ns
ns
ns
ns
ns
µs
ns
9