AT28HC64BF-90JU Atmel, AT28HC64BF-90JU Datasheet - Page 11
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AT28HC64BF-90JU
Manufacturer Part Number
AT28HC64BF-90JU
Description
IC EEPROM 64KBIT 90NS 32PLCC
Manufacturer
Atmel
Specifications of AT28HC64BF-90JU
Format - Memory
EEPROMs - Parallel
Memory Type
EEPROM
Memory Size
64K (8K x 8)
Speed
90ns
Interface
Parallel
Voltage - Supply
4.5 V ~ 5.5 V
Operating Temperature
-40°C ~ 85°C
Package / Case
32-PLCC
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
22. Data Polling Characteristics
Note:
23. Data Polling Waveforms
24. Toggle Bit Characteristics
Notes:
25. Toggle Bit Waveforms
Notes:
3648B–PEEPR–4/09
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.
1. These parameters are characterized and not 100% tested.
2.
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 6.
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
(2)
t
DH
(1)
(2)
t
OEH
t
DH
(1)(2)(3)
t
OEH
t
(1)
OE
t
OE
(1)
See “AC Read Characteristics” on page 6.
Min
Min
150
10
10
0
0
0
0
Typ
t
Typ
WR
t
WR
Max
Max
Units
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
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