13
AT28BV256
0273H–PEEPR–10/04
28P6 – PDIP
2325 Orchard Parkway
San Jose, CA 95131
TITLE
DRAWING NO.
R
REV.
28P6, 28-lead (0.600"/15.24 mm Wide) Plastic Dual
Inline Package (PDIP)
B
28P6
09/28/01
PIN
1
E1
A1
B
REF
E
B1
C
L
SEATING PLANE
A
0º ~ 15º
D
e
eB
COMMON DIMENSIONS
(Unit of Measure = mm)
SYMBOL
MIN
NOM
MAX
NOTE
A 4.826
A1 0.381
D 36.703 37.338 Note 2
E 15.240 15.875
E1 13.462 13.970 Note 2
B 0.356 0.559
B1 1.041 1.651
L 3.048 3.556
C 0.203 0.381
eB 15.494 17.526
e 2.540 TYP
Notes: 1. This package conforms to JEDEC reference MS-011, Variation AB.
2. Dimensions D and E1 do not include mold Flash or Protrusion.
Mold Flash or Protrusion shall not exceed 0.25 mm (0.010").
14
AT28BV256
0273H–PEEPR–10/04
28S – SOIC
2325 Orchard Parkway
San Jose, CA 95131
TITLE
DRAWING NO.
R
REV.
28S, 28-lead, 0.300" Body, Plastic Gull Wing Small Outline (SOIC)
JEDEC Standard MS-013
B
28S
8/4/03
Dimensions in Millimeters and (Inches).
Controlling dimension: Millimeters.
TOP VIEW
SIDE VIEWS
0.51(0.020)
0.33(0.013)
7.60(0.2992)
7.40(0.2914)
10.65(0.419)
10.00(0.394)
1.27(0.50) BSC
2.65(0.1043)
2.35(0.0926)
18.10(0.7125)
17.70(0.6969)
0.30(0.0118)
0.10(0.0040)
0.32(0.0125)
0.23(0.0091)
1.27(0.050)
0.40(0.016)
0º ~ 8º
PIN 1
15
AT28BV256
0273H–PEEPR–10/04
28T – TSOP
2325 Orchard Parkway
San Jose, CA 95131
TITLE
DRAWING NO.
R
REV.
28T, 28-lead (8 x 13.4 mm) Plastic Thin Small Outline
Package, Type I (TSOP)
C
28T
12/06/02
PIN 1
0º ~ 5º
D1
D
Pin 1 Identifier Area
b
e
E
A
A1
A2
c
L
GAGE PLANE
SEATING PLANE
L1
COMMON DIMENSIONS
(Unit of Measure = mm)
SYMBOL
MIN
NOM
MAX
NOTE
Notes: 1. This package conforms to JEDEC reference MO-183.
2. Dimensions D1 and E do not include mold protrusion. Allowable
protrusion on E is 0.15 mm per side and on D1 is 0.25 mm per side.
3. Lead coplanarity is 0.10 mm maximum.
A 1.20
A1 0.05 0.15
A2 0.90 1.00 1.05
D 13.20 13.40 13.60
D1 11.70 11.80 11.90 Note 2
E 7.90 8.00 8.10 Note 2
L 0.50 0.60 0.70
L1 0.25 BASIC
b 0.17 0.22 0.27
c 0.10 0.21
e 0.55 BASIC

AT28BV256-20PI

Mfr. #:
Manufacturer:
Microchip Technology
Description:
EEPROM 256K 2.7V - 3.6V SDP- 200NS IND TEMP
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
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