AT28HC256-90TI Atmel, AT28HC256-90TI Datasheet - Page 15

• Manufacturer Part Number: AT28HC256-90TI
• Description: IC EEPROM 256KBIT 90NS 28TSOP
• Manufacturer: Atmel

Specifications of AT28HC256-90TI

• 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-TSOP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

27.2
27.2.1
27.2.2
27.2.3
27.3
Previous datasheets included the low power suffixes L, LE and LF on the AT28HC256 for 120 ns and 90 ns speeds.
The low power parameters are now standard; therefore, the L, LE and LF suffixes are no longer required.
0007N–PEEPR–9/09
(ns)
(ns)
(ns)
t
t
t
120
120
ACC
70
90
ACC
90
ACC
90
Blank
28S
32J
28T
E
F
Industrial Green Package Option (Pb/Halide-free)
Ordering Information Note
AT28HC256
AT28HC256E
AT28HC256F
Active
Active
Active
80
80
80
80
80
80
32-lead, Plastic J-leaded Chip Carrier (PLCC)
28-lead, 0.300" Wide, Plastic Gull Wing Small Outline (SOIC)
28-lead, Plastic Thin Small Outline Package (TSOP)
Standard Device: Endurance = 10K Write Cycles; Write Time = 10 ms
High Endurance Option: Endurance = 100K Write Cycles
Fast Write Option: Write Time = 3 ms
I
I
I
CC
CC
CC
(mA)
(mA)
(mA)
Standby
Standby
Standby
0.3
0.3
0.3
0.3
0.3
0.3
Ordering Code
AT28HC256-70JU
AT28HC256-70SU
AT28HC256-70TU
AT28HC256-90JU
AT28HC256-90SU
AT28HC256-90TU
AT28HC256-12JU
AT28HC256-12SU
AT28HC256-12TU
Ordering Code
AT28HC256E-90JU
AT28HC256E-90SU
AT28HC256E-90TU
AT28HC256E-12JU
AT28HC256E-12SU
AT28HC256E-12TU
Ordering Code
AT28HC256F-90JU
AT28HC256F-90SU
AT28HC256F-90TU
Package Type
Options
Package
Package
Package
28S
28T
28S
28T
28S
28T
28S
28T
28S
28T
28S
28T
32J
32J
32J
32J
32J
32J
Operation Range
Operation Range
Operation Range
(-40° C to 85° C)
(-40° C to 85° C)
(-40° C to 85° C)
AT28HC256
Industrial
Industrial
Industrial
15