AT28C256-15SU SL383 Atmel, AT28C256-15SU SL383 Datasheet - Page 11
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AT28C256-15SU SL383
Manufacturer Part Number
AT28C256-15SU SL383
Description
Manufacturer
Atmel
Datasheet
1.AT28C256-15SU_SL383.pdf
(27 pages)
Specifications of AT28C256-15SU SL383
Density
256Kb
Interface Type
Parallel
Organization
32Kx8
Access Time (max)
150ns
Write Protection
Yes
Data Retention
10Year
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
Compliant
22. Data Polling Characteristics
Notes:
23. Data Polling Waveforms
24. Toggle Bit Characteristics
Notes:
25. Toggle Bit Waveforms
Notes:
0006K–PEEPR–01/08
Symbol
t
t
t
t
Symbol
t
t
t
t
t
DH
OEH
OE
WR
DH
OEH
OE
OEHP
WR
1. These parameters are characterized and not 100% tested.
2.
1. These parameters are characterized and not 100% tested.
2. See
1. Toggling either OE or CE or both OE and CE will operate toggle bit.
2. Beginning and ending state of I/O6 will vary.
3. Any address location may be used but the address should not vary.
See“AC Read Characteristics” on page
Parameter
Data Hold Time
OE Hold Time
OE to Output Delay
Write Recovery Time
Parameter
Data Hold Time
OE Hold Time
OE to Output Delay
OE High Pulse
Write Recovery Time
“AC Read Characteristics” on page
(2)
(2)
(1)(2)(3)
(1)
6.
(1)
6.
Min
Min
150
10
10
0
0
0
0
Typ
Typ
Max
AT28C256
Max
Units
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
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