AT25256B-XHL-B Atmel, AT25256B-XHL-B Datasheet - Page 22

• Manufacturer Part Number: AT25256B-XHL-B
• Description: IC EEPROM 256KBIT 20MHZ 8TSSOP
• Manufacturer: Atmel

Specifications of AT25256B-XHL-B

• Format - Memory: EEPROMs - Serial
• Memory Type: EEPROM
• Memory Size: 256K (32K x 8)
• Speed: 5MHz, 10MHz, 20MHz
• Interface: SPI, 3-Wire Serial
• Voltage - Supply: 1.8 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 8-TSSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

22
8U2-1 – VFBGA
AT25128B/256B
Notes: 1. This drawing is for general information.
A1 Ball Pad Corner
[e-mail]
Package Drawing Contact:
2. Dimension 'b' is measured at the maximum solder
3. Solder ball composition shall be 95.5Sn-4.0Ag-.5Cu.
ball diameter.
e
(e1)
A1 BALL PAD CORNER
8 SOLDER BALLS
Bottom View
Top View
2
D
8U2-1, 8 ball, 2.35 x 3.73 mm Body,
0.75 mm pitch, VFBGA Package (dBGA2)
TITLE
1
(d1)
d
A
B
C
D
A
e
B
0.10 (4X)
SYMBOL
A
A1
A2
b
D
E
e
e1
d
d1
Side View
// 0.10 C
COMMON DIMENSIONS
(Unit of Measure = mm)
0.81
0.15
0.40
0.25
MIN
GPC
GWW
C
2.35 BSC
3.73 BSC
0.75 BSC
0.74 BSC
0.75 BSC
0.80 REF
A1
A2
A
NOM
0.91
0.20
0.45
0.30
Øb
0.08 C
Ø0.15
Ø0.08
DRAWING NO.
MAX
1.00
0.25
0.50
0.35
8U2-1
M
M
C A B
C
8698B–SEEPR–3/10
NOTE
2/25/08
REV.
C