AT28C256E-15SU Atmel, AT28C256E-15SU Datasheet - Page 6
![IC EEPROM 256KBIT 150NS 28SOIC](/photos/6/82/68295/453-28-soic_sml.jpg)
AT28C256E-15SU
Manufacturer Part Number
AT28C256E-15SU
Description
IC EEPROM 256KBIT 150NS 28SOIC
Manufacturer
Atmel
Specifications of AT28C256E-15SU
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-SOIC (7.5mm Width)
Density
256Kb
Interface Type
Parallel
Organization
32Kx8
Access Time (max)
150ns
Write Protection
Yes
Data Retention
10Year
Operating Supply Voltage (typ)
5V
Package Type
SOIC
Operating Temp Range
-40C to 85C
Supply Current
50mA
Operating Supply Voltage (min)
4.5V
Operating Supply Voltage (max)
5.5V
Operating Temperature Classification
Industrial
Mounting
Surface Mount
Pin Count
28
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AT28C256E-15SU
Manufacturer:
Atmel
Quantity:
135
Part Number:
AT28C256E-15SU
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
9. AC Read Characteristics
10. AC Read Waveforms
Notes:
6
Symbol
t
t
t
t
t
ACC
CE
OE
DF
OH
(1)
(3)(4)
(2)
1. CE may be delayed up to t
2. OE may be delayed up to t
3. t
4. This parameter is characterized and is not 100% tested.
AT28C256
without impact on t
DF
Parameter
Address to Output Delay
CE to Output Delay
OE to Output Delay
CE or OE to Output Float
Output Hold from OE, CE or
Address, whichever occurred first
is specified from OE or CE whichever occurs first (C
ACC
.
ACC
CE
(1)(2)(3)(4)
- t
- t
OE
CE
after the falling edge of CE without impact on t
after the address transition without impact on t
AT28C256-15
Min
0
0
0
Max
150
150
70
50
L
= 5 pF).
AT28C256-20
Min
0
0
0
Max
200
200
80
55
AT28C256-25
Min
0
0
0
CE
ACC
or by t
.
Max
250
250
100
60
ACC
- t
OE
AT28C256-35
Min
0
0
0
after an address change
Max
0006M–PEEPR–12/09
350
350
100
70
Units
ns
ns
ns
ns
ns