AT28C256E-15SU Atmel, AT28C256E-15SU Datasheet - Page 2
![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
2. Pin Configurations
2.1
2.2
2
Pin Name
A0 - A14
CE
OE
WE
I/O0 - I/O7
NC
DC
VCC
A11
A13
A14
A12
WE
OE
A9
A8
A7
A6
A5
A4
A3
28-lead TSOP Top View
28-lead PGA Top View
AT28C256
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28
27
26
25
24
23
22
21
20
19
18
17
16
15
A10
CE
I/O7
I/O6
I/O5
I/O4
I/O3
GND
I/O2
I/O1
I/O0
A0
A1
A2
Function
Addresses
Chip Enable
Output Enable
Write Enable
Data Inputs/Outputs
No Connect
Don’t Connect
2.3
Note:
2.4
32-pad LCC, 28-lead PLCC Top View
PLCC package pins 1 and 17 are Don’t Connect.
28-lead Cerdip/PDIP/Flatpack/SOIC –
Top View
I/O0
NC
A6
A5
A4
A3
A2
A1
A0
GND
I/O0
I/O1
I/O2
A14
A12
A7
A6
A5
A4
A3
A2
A1
A0
5
6
7
8
9
10
11
12
13
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28
27
26
25
24
23
22
21
20
19
18
17
16
15
29
28
27
26
25
24
23
22
21
VCC
WE
A13
A8
A9
A11
OE
A10
CE
I/O7
I/O6
I/O5
I/O4
I/O3
A8
A9
A11
NC
OE
A10
CE
I/O7
I/O6
0006K–PEEPR–01/08