AT28HC256-90LM/883 Atmel, AT28HC256-90LM/883 Datasheet - Page 2
![IC EEPROM 256KBIT 90NS 32LCC](/photos/7/27/72785/32l-lcc_sml.jpg)
AT28HC256-90LM/883
Manufacturer Part Number
AT28HC256-90LM/883
Description
IC EEPROM 256KBIT 90NS 32LCC
Manufacturer
Atmel
Specifications of AT28HC256-90LM/883
Format - Memory
EEPROMs - Parallel
Memory Type
EEPROM
Memory Size
256K (32K x 8)
Speed
90ns
Interface
Parallel
Voltage - Supply
4.5 V ~ 5.5 V
Operating Temperature
-55°C ~ 125°C
Package / Case
32-LCC
Density
256Kb
Interface Type
Parallel
Organization
32Kx8
Access Time (max)
90ns
Write Protection
Yes
Data Retention
10Year
Operating Supply Voltage (typ)
5V
Operating Temp Range
-55C to 125C
Supply Current
80mA
Operating Supply Voltage (min)
4.5V
Operating Supply Voltage (max)
5.5V
Operating Temperature Classification
Military
Mounting
Surface Mount
Pin Count
32
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Other names
AT28HC256-90LM883
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AT28HC256-90LM/883
Manufacturer:
a
Quantity:
2
Company:
Part Number:
AT28HC256-90LM/883C
Manufacturer:
AT
Quantity:
32
Company:
Part Number:
AT28HC256-90LM/883C 5962-8863403YA*
Manufacturer:
ATMEL
Quantity:
10
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
AT28HC256
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
Function
Addresses
Chip Enable
Output Enable
Write Enable
Data Inputs/Outputs
No Connect
Don’t Connect
A10
CE
I/O7
I/O6
I/O5
I/O4
I/O3
GND
I/O2
I/O1
I/O0
A0
A1
A2
2.3
Note:
2.4
32-pad LCC, 32-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
0007L–PEEPR–03/08