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AT28HC256-12SC Datasheet(PDF) 9 Page - ATMEL Corporation

Part # AT28HC256-12SC
Description  256 32K x 8 High Speed CMOS E2PROM
PDF  12 Pages
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Manufacturer  ATMEL [ATMEL Corporation]
Direct Link  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

AT28HC256-12SC Datasheet(HTML) 9 Page - ATMEL Corporation

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Notes: 1. These parameters are characterized and not 100% tested.
Symbol
Parameter
Min
Typ
Max
Units
tDH
Data Hold Time
10
ns
tOEH
OE Hold Time
10
ns
tOE
OE to Output Delay (2)
ns
tOEHP
OE High Pulse
150
ns
tWR
Write Recovery Time
0
ns
Notes: 1. These parameters are characterized and not 100% tested.
Toggle Bit Characteristics
(1)
2. See AC Read Characteristics.
Symbol
Parameter
Min
Typ
Max
Units
tDH
Data Hold Time
0
ns
tOEH
OE Hold Time
0
ns
tOE
OE to Output Delay (2)
ns
tWR
Write Recovery Time
0
ns
Data Polling Characteristics
(1)
2. See AC Read Characteristics.
Toggle Bit Waveforms
Notes: 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.
Data Polling Waveforms
AT28HC256
2-287



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