AT28C256-15SU Atmel, AT28C256-15SU Datasheet - Page 20

• Manufacturer Part Number: AT28C256-15SU
• Description: IC EEPROM 256KBIT 150NS 28SOIC
• Manufacturer: Atmel

Specifications of AT28C256-15SU

• Format - Memory: EEPROMs - Parallel
• Memory Type: EEPROM
• Memory Size: 256K (32K x 8)
• Speed: 150ns
• Interface: Parallel
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 28-SOIC (7.5mm Width)
• Organization: 32 K x 8
• Interface Type: SPI
• Access Time: 150 ns
• Output Enable Access Time: 70 ns
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 4.5 V
• Maximum Operating Current: 50 mA
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• Operating Supply Voltage: 5 V
• Capacitance, Input: 4 pF
• Capacitance, Output: 8 pF
• Current, Input, Leakage: 10 μA
• Current, Operating: 50 mA
• Current, Output, Leakage: 10
• Data Retention: 10 yrs.
• Density: 256K
• Package Type: SOIC
• Power Dissipation: 440 mW
• Temperature, Operating: -40 to +85 °C
• Time, Access: 150 ns
• Time, Address Hold: 50
• Voltage, Input, High: 2 V
• Voltage, Input, Low: 0.8 V
• Voltage, Output, High: 2.4 V
• Voltage, Output, Low: 0.45 V
• Voltage, Supply: 5 V
• Access Time (max): 150ns
• Write Protection: Yes
• Operating Supply Voltage (typ): 5V
• Operating Temp Range: -40C to 85C
• Supply Current: 50mA
• Operating Supply Voltage (min): 4.5V
• Operating Supply Voltage (max): 5.5V
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 28
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

29.4
20
32L – LCC
Dimensions in Millimeters and (Inches).
Controlling dimension: Inches.
MIL-STD 1835 C-12
AT28C256
R
2325 Orchard Parkway
San Jose, CA 95131
10.16(0.400) BSC
14.22(0.560)
13.72(0.540)
1.27(0.050) TYP
TITLE
32L, 32-pad, Non-windowed, Ceramic Lid, Leadless Chip
Carrier (LCC)
2.41(0.095)
1.91(0.075)
7.62(0.300) BSC
11.63(0.458)
11.23(0.442)
PIN 1
1.40(0.055)
1.14(0.045)
0.305(0.012)
0.178(0.007)
1.02(0.040) X 45˚
2.16(0.085)
1.65(0.065)
0.737(0.029)
0.533(0.021)
0.635(0.025)
0.381(0.015)
INDEX CORNER
RADIUS
1.91(0.075)
1.40(0.055)
X 45˚
2.54(0.100)
2.16(0.085)
DRAWING NO.
32L
0006M–PEEPR–12/09
10/21/03
REV.
B