AT28C256-15SU Atmel, AT28C256-15SU Datasheet - Page 22

• 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

29.6
22
28S – SOIC
AT28C256
R
2325 Orchard Parkway
San Jose, CA 95131
Dimensions in Millimeters and (Inches).
Controlling dimension: Millimeters.
TITLE
28S, 28-lead, 0.300" Body, Plastic Gull Wing Small Outline (SOIC)
JEDEC Standard MS-013
PIN 1
0.33(0.013)
0.51(0.020)
17.70(0.6969)
18.10(0.7125)
0º ~ 8º
TOP VIEW
0.30(0.0118)
0.10(0.0040)
1.27(0.50) BSC
1.27(0.050)
0.40(0.016)
7.60(0.2992)
7.40(0.2914)
SIDE VIEWS
10.65(0.419)
10.00(0.394)
2.65(0.1043)
2.35(0.0926)
0.32(0.0125)
0.23(0.0091)
DRAWING NO.
28S
0006M–PEEPR–12/09
8/4/03
REV.
B