at27bv256 ATMEL Corporation, at27bv256 Datasheet - Page 14

• Manufacturer Part Number: at27bv256
• Description: At27bv256 256k 32k X 8 Unregulated Battery-voltage High-speed Otp Eprom
• Manufacturer: ATMEL Corporation

20.3
14
Notes:
28T – TSOP
AT27BV256
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
A
A1
A2
D
D1
E
L
L1
b
c
e
13.20
11.70
COMMON DIMENSIONS
0.05
0.90
7.90
0.50
0.17
0.10
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
28T
0601E–EPROM–12/07
Note 2
Note 2
NOTE
12/06/02
REV.
C