W39L020 Datasheet, PDF (23/26 Pages) Winbond – 256K × 8 CMOS FLASH MEMORY

W39L020
11. ORDERING INFORMATION
PART NO.
W39L020P-70
W39L020P-90
W39L020T-70
W39L020T-90
W39L020Q-70
W39L020Q-90
W39L020P-70B
W39L020P-90B
W39L020T-70B
W39L020T-90B
W39L020Q-70B
W39L020Q-90B
ACCESS POWER SUPPLY
TIME CURRENT MAX.
(nS)
(mA)
70
20
90
20
70
20
90
20
70
20
90
20
70
20
90
20
70
20
90
20
70
20
90
20
STANDBY VDD
CURRENT MAX.
(mA)
2
2
2
2
2
2
2
2
2
2
2
2
PACKAGE
32L PLCC
32L PLCC
32L TSOP (8 x 20 mm)
32L TSOP (8 x 20 mm)
32L STSOP (8 x 14 mm)
32L STSOP (8 x 14 mm)
32L PLCC
32L PLCC
32L TSOP (8 x 20 mm)
32L TSOP (8 x 20 mm)
32L STSOP (8 x 14 mm)
32L STSOP (8 x 14 mm)
Notes:
1. Winbond reserves the right to make changes to its products without prior notice.
2. Purchasers are responsible for performing appropriate quality assurance testing on products intended for use in
applications where personal injury might occur as a consequence of product failure.
CYCLE
1K
1K
1K
1K
1K
1K
10K
10K
10K
10K
10K
10K
12. HOW TO READ THE TOP MARKING
Example: The top marking of 32-pin TSOP W39L020T-70
W39L020T-70
2138977A-A12
149OBSA
1^st line: Winbond logo
2^nd line: the part number: W39L020T-70
3^rd line: the lot number
4^th line: the tracking code: 149 O B SA
149: Packages made in '01, week 49
O: Assembly house ID: A means ASE, O means OSE, ...etc.
B: IC revision; A means version A, B means version B, ...etc.
SA: Process code
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Publication Release Date: November 11, 2002
Revision A4