AT28C64B-20TC Atmel, AT28C64B-20TC Datasheet - Page 9
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AT28C64B-20TC
Manufacturer Part Number
AT28C64B-20TC
Description
Manufacturer
Atmel
Datasheet
1.AT28C64B-20TC.pdf
(13 pages)
Specifications of AT28C64B-20TC
Density
64Kb
Interface Type
Parallel
Organization
8Kx8
Access Time (max)
200ns
Write Protection
Yes
Data Retention
10Year
Operating Supply Voltage (typ)
5V
Package Type
TSOP-I
Operating Temp Range
0C to 70C
Supply Current
40mA
Operating Supply Voltage (min)
4.5V
Operating Supply Voltage (max)
5.5V
Operating Temperature Classification
Commercial
Mounting
Surface Mount
Pin Count
28
Lead Free Status / Rohs Status
Not Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Data Polling Characteristics
Notes:
Data Polling Waveforms
Toggle Bit Characteristics
Notes:
Toggle Bit Waveforms
Notes:
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.
2.
3.
Toggling either OE or CE or both OE and CE will operate toggle bit.
Beginning and ending state of I/O6 will vary.
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
0
0
0
0
AT28C64B
Typ
Typ
Max
Max
Units
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
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