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AT24C256C_09 Datasheet, PDF (17/21 Pages) ATMEL Corporation – Two-wire Serial EEPROM
8A2 – TSSOP
Figure 14. 8A2 – TSSOP
3 21
AT24C256C [Preliminary]
Pin 1 indicator
this corner
E1
E
L1
N
Top View
A
b
e
A2
D
Side View
L
End View
COMMON DIMENSIONS
(Unit of Measure = mm)
SYMBOL MIN NOM MAX
D
2.90 3.00 3.10
E
6.40 BSC
E1
4.30 4.40 4.50
A
–
–
1.20
A2
0.80 1.00 1.05
b
0.19
–
0.30
e
0.65 BSC
L
0.45 0.60 0.75
L1
1.00 REF
NOTE
2, 5
3, 5
4
Notes:
1. This drawing is for general information only. Refer to JEDEC D rawing MO-153, Variation AA, for proper dimension s,
tolerances, datums, etc.
2. Dimension D does not include mold Flash, prot rusions or gate burrs. Mold Flash, prot rusions and gate burrs shall not
exceed 0.15 mm (0.006 in) per sid e.
3. Dimension E1 does not include inter-lead Flash or prot rusions. Inter-lead Flash and prot rusions shall not exceed
0.25 mm (0.010 in) per sid e.
4. Dimension b does not include Dambar prot rusion. Allowable Dambar prot rusion shall be 0.08 mm total in excess of the
b dimension at maxi mum mate rial condition . Dambar cannot be located on the l ower radius of the foot. Minimum space
between protrusion and adjacent lead is 0.07 mm .
5. Dimension D and E1 to be dete rmined at Datum Plane H .
05/30/02
2325 Orchard Parkway
R San Jose, CA 95131
TITLE
8A2, 8-lead, 4.4 mm Body, Plastic
Thin Shrink Small Outline Package (TSSOP)
DRAWING NO. REV.
8A2
B
17
8568A–SEEPR–9/09