AT25256B-SSHL-T Atmel, AT25256B-SSHL-T Datasheet - Page 21

• Manufacturer Part Number: AT25256B-SSHL-T
• Description: IC EEPROM 256KBIT 20MHZ 8SOIC
• Manufacturer: Atmel

Specifications of AT25256B-SSHL-T

• 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-SOIC (0.154", 3.90mm Width)
• Density: 256Kb
• Interface Type: Serial (SPI)
• Organization: 32Kx8
• Access Time (max): 80ns
• Frequency (max): 5MHz
• Write Protection: Yes
• Data Retention: 100Year
• Operating Supply Voltage (typ): 2.5/3.3/5V
• Operating Temp Range: -40C to 85C
• Supply Current: 10mA
• Operating Supply Voltage (min): 1.8V
• Operating Supply Voltage (max): 5.5V
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 8
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

8698B–SEEPR–3/10
8MA2 - UDFN
Notes: 1. This drawing is for general information only. Refer to
[e-mail]
Package Drawing Contact:
b (8x)
e (6x)
A2
2. The terminal #1 ID is a laser-marked feature.
3. Dimensions b applies to metalized terminal and is
A1
JEDEC Drawing MO-229 for proper dimensions,
tolerances, datums, etc.
measured between 0.15 mm and 0.30 mm from the
terminal tip. If the terminal has the optional radius on
the other end of the terminal, the dimension should not
be measured in that radius area.
1
2
3
4
8
7
6
5
L (8x)
Pin 1 ID
Pin#1 ID
(R0.10)
E2
E
8MA2, 8-pad, 2 x 3 x 0.6 mm Body, Thermally
Enhanced Plastic Ultra Thin Dual Flat No
Lead Package (UDFN)
TITLE
0.35
K
8
7
6
5
1
2
3
4
A
D2
D
SYMBOL
D
E
D2
E2
A
A1
A2
C
L
e
b
K
COMMON DIMENSIONS
(Unit of Measure = mm)
1.40
1.20
0.50
0.00
0.30
0.18
0.20
MIN
–
C
AT25128B/256B
GPC
0.152 REF
2.00 BSC
3.00 BSC
0.50 BSC
YNZ
NOM
1.50
1.30
0.55
0.02
0.35
0.25
–
–
DRAWING NO.
MAX
1.60
1.40
0.60
0.05
0.55
0.40
0.30
8MA2
–
NOTE
3
4/15/08
REV.
A
21