AT28HC256E-12SU Atmel, AT28HC256E-12SU Datasheet - Page 14

• Manufacturer Part Number: AT28HC256E-12SU
• Description: IC EEPROM 256KBIT 120NS 28SOIC
• Manufacturer: Atmel

Specifications of AT28HC256E-12SU

• Format - Memory: EEPROMs - Parallel
• Memory Type: EEPROM
• Memory Size: 256K (32K x 8)
• Speed: 120ns
• 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): 120ns
• Write Protection: Yes
• Data Retention: 10Year
• Operating Supply Voltage (typ): 5V
• 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

27.1.2
Note:
27.1.3
14
28D6
28F
32L
28U
Blank
E
F
t
(ns)
t
(ns)
120
120
ACC
ACC
90
90
1. No dual marking for this device.
AT28HC256
AT28HC256E
AT28HC256F
Active
Active
28-lead, 0.600" Wide, Non-windowed, Ceramic Dual Inline Package (Cerdip)
28-lead, Non-windowed, Ceramic Bottom-brazed Flat Package (Flatpack)
32-pad, Non-windowed, Ceramic Leadless Chip Carrier (LCC)
28-pin, Ceramic Pin Grid Array (PGA)
Standard Device: Endurance = 10K Write Cycles; Write Time = 10 ms
High Endurance Option: Endurance = 100K Write Cycles
Fast Write Option: Write Time = 3 ms
80
80
80
80
I
I
CC
CC
(mA)
(mA)
(1)
Standby
Standby
0.3
0.3
0.3
0.3
Ordering Code
AT28HC256E-90DM/883
AT28HC256E-90FM/883
AT28HC256E-90LM/883
AT28HC256E-90UM/883
AT28HC256E-12DM/883
AT28HC256E-12FM/883
AT28HC256E-12LM/883
AT28HC256E-12UM/883
Ordering Code
AT28HC256F-90DM/883
5962-88634 04 XX
AT28HC256F-90FM/883
5962-88634 04 ZX
AT28HC256F-90LM/883
5962-88634 04 YX
AT28HC256F-90UM/883
5962-88634 04 UX
AT28HC256F-12DM/883
5962-88634 02 XX
AT28HC256F-12FM/883
5962-88634 02 ZX
AT28HC256F-12LM/883
5962-88634 02 YX
AT28HC256F-12UM/883
5962-88634 02 UX
Package Type
Options
Package
Package
28D6
28D6
28D6
28D6
28U
28U
28U
28U
28F
28F
28F
28F
32L
32L
32L
32L
Class B, Fully Compliant
Class B, Fully Compliant
Operation Range
Operation Range
(-55° C to 125° C)
(-55° C to 125° C)
Military/883C
Military/883C
0007N–PEEPR–9/09