AT28C64B-15PI Atmel, AT28C64B-15PI Datasheet - Page 9

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

Specifications of AT28C64B-15PI

• 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)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

16. Page Mode Characteristics
17. Page Mode Write Waveforms
Notes:
18. Chip Erase Waveforms
0270L–PEEPR–2/09
Symbol
t
t
t
t
t
t
t
t
t
WC
WC
AS
AH
DS
DH
WP
BLC
WPH
1. A6 through A12 must specify the same page address during each high to low transition of WE (or CE).
2. OE must be high only when WE and CE are both low.
Parameter
Write Cycle Time
Write Cycle Time (option available – Ref. AT28HC64BF datasheet)
Address Setup Time
Address Hold Time
Data Setup Time
Data Hold Time
Write Pulse Width
Byte Load Cycle Time
Write Pulse Width High
A0 -A12
DATA
WE
OE
CE
t
t
V
S
W
H
= t
= 10 ms (min.)
= 12.0V ±0.5V
H
= 1 µs (min.)
VALID ADD
t
AS
VALID DATA
t
AH
t
t
WP
DS
(1)(2)
t
DH
t
S
t
WPH
t
W
t
H
t
BLC
Min
100
50
50
50
0
0
t
WC
Max
150
10
2
AT28C64B
Units
ms
ms
ns
ns
ns
ns
ns
µs
ns
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