AT28C64B-15PU Atmel, AT28C64B-15PU Datasheet - Page 11

• Manufacturer Part Number: AT28C64B-15PU
• Description: IC EEPROM 64KBIT 150NS 28DIP
• Manufacturer: Atmel

Specifications of AT28C64B-15PU

• Format - Memory: EEPROMs - Parallel
• Memory Type: EEPROM
• Memory Size: 64K (8K x 8)
• Speed: 150ns
• Interface: Parallel
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 28-DIP (0.600", 15.24mm)
• Organization: 8 K x 8
• Interface Type: Parallel
• Access Time: 150 ns
• Output Enable Access Time: 70 ns
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 4.5 V
• Maximum Operating Current: 40 mA
• Maximum Operating Temperature: + 85 C
• Mounting Style: Through Hole
• Minimum Operating Temperature: - 40 C
• Operating Supply Voltage: 5 V
• Capacitance, Input: 4 pF
• Capacitance, Output: 8 pF
• Current, Input, Leakage: 10 μA
• Current, Operating: 40 mA
• Current, Output, Leakage: 10
• Data Retention: 10 yrs.
• Density: 64K
• Package Type: PDIP
• Power Dissipation: 220 mW
• Temperature, Operating: -40 to +85 °C
• Time, Access: 150 ns
• Time, Address Hold: 50
• Voltage, Input, High: 2 V
• Voltage, Input, Low: 0.8 V
• Voltage, Output, High: 2.4 V
• Voltage, Output, Low: 0.4 V
• Voltage, Supply: 5 V
• Memory Configuration: 8K X 8
• Supply Voltage Range: 4.5V To 5.5V
• Memory Case Style: DIP
• No. Of Pins: 28
• Rohs Compliant: Yes
• Operating Temperature Range: -40°C
• Ic Interface Type: Parallel
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

22. Data Polling Characteristics
Notes:
23. Data Polling Waveforms
24. Toggle Bit Characteristics
Notes:
25. Toggle Bit Waveforms
Notes:
0270L–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.
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
(1)
(2)
t
DH
t
OEH
t
DH
(1)(2)(3)
t
OEH
(1)
t
t
OE
OE
(1)
t
OEHP
See “AC Read Characteristics” on page 6.
Min
Min
150
10
10
0
0
0
0
Typ
Typ
t
WR
t
WR
AT28C64B
Max
Max
Units
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
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