at49ll040 ATMEL Corporation, at49ll040 Datasheet - Page 27

• Manufacturer Part Number: at49ll040
• Description: 4-megabit Low-pin Count Flash Memory
• Manufacturer: ATMEL Corporation

40T – TSOP, Type I
3343A–FLASH–6/03
Notes:
R
2325 Orchard Parkway
San Jose, CA 95131
1. This package conforms to JEDEC reference MO-142, Variation CD.
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
e
E
TITLE
40T, 40-lead (10 x 20 mm Package) Plastic Thin Small Outline
Package, Type I (TSOP)
A1
PIN 1
b
D1 D
A2
A
SEATING PLANE
0º ~ 8º
SYMBOL
L
L1
A
A1
A2
D
D1
E
L
b
c
e
19.80
18.30
COMMON DIMENSIONS
0.05
0.95
9.90
0.50
0.17
0.10
MIN
(Unit of Measure = mm)
L1
–
GAGE PLANE
c
0.25 BASIC
0.50 BASIC
20.00
18.40
10.00
NOM
1.00
0.60
0.22
–
–
–
DRAWING NO.
20.20
18.50
10.10
AT49LL040
MAX
1.20
0.15
1.05
0.70
0.27
0.21
40T
Note 2
Note 2
NOTE
10/18/01
REV.
B
27