AT25256W-10SC Atmel, AT25256W-10SC Datasheet - Page 21

• Manufacturer Part Number: AT25256W-10SC
• Description: IC EEPROM 256KBIT 3MHZ 8SOIC
• Manufacturer: Atmel

Specifications of AT25256W-10SC

• Format - Memory: EEPROMs - Serial
• Memory Type: EEPROM
• Memory Size: 256K (32K x 8)
• Speed: 3MHz
• Interface: SPI, 3-Wire Serial
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 8-SOIC (5.3mm Width), 8-SOP, 8-SOEIAJ
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

20A2 – TSSOP
0872O–SEEPR–03/05
Notes:
A
R
1. This drawing is for general information only. Please refer to JEDEC Drawing MO-153, Variation AC, for additional
2. Dimension D does not include mold Flash, protrusions or gate burrs. Mold Flash, protrusions and gate burrs shall
3. Dimension E1 does not include inter-lead Flash or protrusions. Inter-lead Flash and protrusions shall not exceed
4. Dimension b does not include Dambar protrusion. Allowable Dambar protrusion shall be 0.08 mm total in excess
5. Dimension D and E1 to be determined at Datum Plane H.
E
2325 Orchard Parkway
San Jose, CA 95131
information.
not exceed 0.15 mm (0.006 in) per side.
0.25 mm (0.010 in) per side.
of the b dimension at maximum material condition. Dambar cannot be located on the lower radius of the foot.
Minimum space between protrusion and adjacent lead is 0.07 mm.
E1
Side View
Top View
b
e
D
TITLE
20A2, 20-lead (4.4 x 6.5 mm Body), 0.65 pitch,
Thin Shrink Small Outline Package (TSSOP)
A2
SYMBOL
D
E
E1
A
A2
b
e
L
L1
End View
6.40
4.30
0.80
0.19
0.45
COMMON DIMENSIONS
MIN
(Unit of Measure = mm)
–
6.40 BSC
0.65 BSC
L1
1.00 REF
NOM
6.50
4.40
1.00
0.60
L
–
–
AT25128/256
DRAWING NO.
20A2
MAX
6.60
4.50
1.20
1.05
0.30
0.75
NOTE
2, 5
3, 5
6/3/02
4
REV.
C
21