AT28C256-15SU Atmel, AT28C256-15SU Datasheet - Page 18

• 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

29.2
18
28F – Flatpack
Dimensions in Millimeters and (Inches).
Controlling dimension: Inches.
MIL-STD 1835 F-12 Config B
AT28C256
R
2325 Orchard Parkway
San Jose, CA 95131
18.49(0.728)
18.08(0.712)
0.23(0.009)
0.10(0.004)
PIN #1 ID
10.57(0.416)
TITLE
9.75(0.384)
1.96(0.077)
7.26(0.286)
6.96(0.274)
28F, 28-lead, Non-windowed, Ceramic Bottom-brazed
Flat Package (FlatPack)
1.09(0.043)
1.14(0.045)
0.660(0.026)
9.40(0.370)
6.35(0.250)
0.38(0.015)
1.27(0.050) BSC
1.14(0.045) MAX
0.56(0.022)
3.02(0.119)
2.29(0.090)
DRAWING NO.
28F
0006M–PEEPR–12/09
10/21/03
REV.
B