at60142et-dd20sms ATMEL Corporation, at60142et-dd20sms Datasheet - Page 9

• Manufacturer Part Number: at60142et-dd20sms
• Description: Rad Hard 512k X 8 Very Low Power Cmos Sram
• Manufacturer: ATMEL Corporation

Write Cycle
Notes:
Read Cycle
Notes:
9
Symbol
TAVAW
TAVWL
TAVWH
TDVWH
TELWH
TWLQZ
TWLWH
TWHAX
TWHDX
TWHQX
Symbol
TAVAV
TAVQV
TAVQX
TELQV
TELQX
TEHQZ
TGLQV
TGLQX
TGHQZ
1. Parameters guaranteed, not tested, with output loading 5 pF. (See “AC Test Loads Waveforms” on page 7.)
2. Preliminary.
1. Parameters guaranteed, not tested, with output loading 5 pF. (See “AC Test Loads Waveforms” on page 7.)
2. Preliminary.
AT60142E/ET
Parameter
Read cycle time
Address access time
Address valid to low Z
Chip-select access time
CS low to low Z
CS high to high Z
Output Enable access time
OE low to low Z
OE high to high Z
Parameter
Write cycle time
Address set-up
time
Address valid to
end of write
Data set-up time
CS low to write
end
Write low to high
Z
Write pulse width
Address hold
from end of write
Data hold time
Write high to low
Z
(1)
(1)
(1)
(1)
(1)
AT60142E-15
15
10
10
10
0
7
7
0
3
3
AT60142E-15
(2)
15
15
15
3
3
7
7
0
7
AT60142ET-17
(2)
17
11
11
11
0
8
8
0
3
3
AT60142ET-17
(2)
17
17
17
3
3
8
8
0
8
AT60142ET -20
AT60142E-20
(2)
20
12
12
12
0
9
9
0
3
3
AT60142E-20
AT60142ET -
(2)
20
20
20
20
3
3
9
9
0
9
(2)
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
4156F–AERO–06/04
Value
max
min
min
min
min
min
min
min
min
min
Value
max
max
max
max
max
min
min
min
min