AT28C256-25PC Atmel, AT28C256-25PC Datasheet - Page 25
![](/photos/31/32/313280/pdip28_sml.jpg)
AT28C256-25PC
Manufacturer Part Number
AT28C256-25PC
Description
Manufacturer
Atmel
Datasheet
1.AT28C256-25PC.pdf
(27 pages)
Specifications of AT28C256-25PC
Density
256Kb
Interface Type
Parallel
Organization
32Kx8
Access Time (max)
250ns
Write Protection
Yes
Data Retention
10Year
Operating Supply Voltage (typ)
5V
Package Type
PDIP
Operating Temp Range
0C to 70C
Supply Current
50mA
Operating Supply Voltage (min)
4.5V
Operating Supply Voltage (max)
5.5V
Operating Temperature Classification
Commercial
Mounting
Through Hole
Pin Count
28
Lead Free Status / Rohs Status
Not Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AT28C256-25PC
Manufacturer:
AT
Quantity:
31
29.7
0006K–PEEPR–01/08
Notes:
28T – TSOP
R
2325 Orchard Parkway
San Jose, CA 95131
1. This package conforms to JEDEC reference MO-183.
2. Dimensions D1 and E do not include mold protrusion. Allowable
3. Lead coplanarity is 0.10 mm maximum.
protrusion on E is 0.15 mm per side and on D1 is 0.25 mm per side.
Pin 1 Identifier Area
e
E
TITLE
28T, 28-lead (8 x 13.4 mm) Plastic Thin Small Outline
Package, Type I (TSOP)
A1
b
PIN 1
D1 D
A2
A
SEATING PLANE
0º ~ 5º
SYMBOL
L
L1
A
A1
A2
D
D1
E
L
b
c
e
13.20
11.70
0.05
0.90
7.90
0.50
0.17
0.10
COMMON DIMENSIONS
MIN
(Unit of Measure = mm)
L1
–
GAGE PLANE
c
0.25 BASIC
0.55 BASIC
13.40
11.80
NOM
1.00
8.00
0.60
0.22
–
–
–
DRAWING NO.
13.60
11.90
MAX
1.20
0.15
1.05
8.10
0.70
0.27
0.21
AT28C256
28T
Note 2
Note 2
NOTE
12/06/02
REV.
C
25