AT28LV010-20 ATMEL Corporation, AT28LV010-20 Datasheet - Page 7

• Manufacturer Part Number: AT28LV010-20
• Description: 1 Megabit 128K x 8 Low Voltage Paged CMOS E2PROM
• Manufacturer: ATMEL Corporation

Software Protected Write Characteristics
Programming Algorithm
Software Protected Program Cycle Waveforms
Notes: 1. A0 - A14 must conform to the addressing sequence for the first 3-bytes as shown above.
Symbol
t
t
t
t
t
t
t
t
WC
AS
AH
DS
DH
WP
BLC
WPH
2. After the command sequence has been issued and a page write operation follows, the page address inputs (A7 - A16)
3. OE must be high only when WE and CE are both low.
must be the same for each high to low transition of WE (or CE).
LAST ADDRESS
LOAD LAST BYTE
ADDRESS 2AAA
ANY ADDRESS
ADDRESS 5555
ADDRESS 5555
LOAD DATA AA
LOAD DATA XX
LOAD DATA 55
LOAD DATA A0
Parameter
Write Cycle Time
Address Set-up Time
Address Hold Time
Data Set-up Time
Data Hold Time
Write Pulse Width
Byte Load Cycle Time
Write Pulse Width High
TO
TO
TO
TO
TO
(3)
(3)
WRITES ENABLED
ENTER DATA
PROTECT STATE
(2)
Notes:
1. Data Format: I/O7 - I/O0 (Hex);
2. Data protect state will be re-activated at the end of program
3. 1 to 128-bytes of data are loaded.
cycle.
Address Format: A14 - A0 (Hex).
Min
100
100
100
200
10
0
(1, 2, 3)
AT28LV010
Max
150
10
Units
ms
ns
ns
ns
ns
ns
ns
s
2-161