AT28HC64B-90PC Atmel, AT28HC64B-90PC Datasheet - Page 11
![IC EEPROM 64KBIT 90NS 28DIP](/photos/7/21/72189/453-28-dip_sml.jpg)
AT28HC64B-90PC
Manufacturer Part Number
AT28HC64B-90PC
Description
IC EEPROM 64KBIT 90NS 28DIP
Manufacturer
Atmel
Datasheet
1.AT28HC64B-70TC.pdf
(15 pages)
Specifications of AT28HC64B-90PC
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
0°C ~ 70°C
Package / Case
28-DIP (0.600", 15.24mm)
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AT28HC64B-90PC
Manufacturer:
ATM
Quantity:
6 000
Company:
Part Number:
AT28HC64B-90PC
Manufacturer:
ATM
Quantity:
6 000
21. Data Polling Characteristics
Notes:
22. Data Polling Waveforms
23. Toggle Bit Characteristics
Notes:
24. Toggle Bit Waveforms
Notes:
0542F–PEEPR–2/09
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.
2. See AC Read Characteristics.
1. These parameters are characterized and not 100% tested.
2. See AC Read Characteristics.
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.
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)
(2)
(1)(2)(3)
(1)
(1)
Min
Min
150
10
10
10
10
0
0
Typ
Typ
Max
Max
AT28C040
Units
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
11