AT28HC256F-90SU Atmel, AT28HC256F-90SU Datasheet - Page 17

• Manufacturer Part Number: AT28HC256F-90SU
• Description: IC EEPROM 256KBIT 90NS 28SOIC
• Manufacturer: Atmel

Specifications of AT28HC256F-90SU

• Format - Memory: EEPROMs - Parallel
• Memory Type: EEPROM
• Memory Size: 256K (32K x 8)
• Speed: 90ns
• Interface: Parallel
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 28-SOIC (7.5mm Width)
• Density: 256Kb
• Interface Type: Parallel
• Organization: 32Kx8
• Access Time (max): 90ns
• Write Protection: Yes
• Data Retention: 10Year
• Operating Supply Voltage (typ): 5V
• Package Type: SOIC
• Operating Temp Range: -40C to 85C
• Supply Current: 80mA
• 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

28. Packaging Information
28.1
0007N–PEEPR–9/09
28D6 – Cerdip
Dimensions in Millimeters and (Inches).
Controlling dimension: Inches.
MIL-STD 1835 D-10 Config A (Glass Sealed)
R
2325 Orchard Parkway
San Jose, CA 95131
SEATING
PLANE
5.08(0.200)
3.18(0.125)
5.72(0.225)
MAX
2.54(0.100)BSC
0.46(0.018)
0.20(0.008)
TITLE
28D6, 28-lead, 0.600" Wide, Non-windowed,
Ceramic Dual Inline Package (Cerdip)
33.02(1.300) REF
15.70(0.620)
15.00(0.590)
37.85(1.490)
36.58(1.440)
1.65(0.065)
1.14(0.045)
0º~ 15º REF
17.80(0.700) MAX
PIN
1
0.66(0.026)
0.36(0.014)
15.49(0.610)
12.95(0.510)
0.127(0.005)MIN
1.52(0.060)
0.38(0.015)
DRAWING NO.
AT28HC256
28D6
10/23/03
REV.
B
17