w39l020 Winbond Electronics Corp America, w39l020 Datasheet - Page 23

• Manufacturer Part Number: w39l020
• Description: 256k U 8 Cmos Flash Memory
• Manufacturer: Winbond Electronics Corp America

11. ORDERING INFORMATION
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
12. HOW TO READ THE TOP MARKING
Example: The top marking of 32-pin TSOP W39L020T-70
1
2
3
4
st
nd
rd
th
W39L020P-70
W39L020P-90
W39L020T-70
W39L020T-90
W39L020Q-70
W39L020Q-90
W39L020P-70B
W39L020P-90B
W39L020T-70B
W39L020T-90B
W39L020Q-70B
W39L020Q-90B
applications where personal injury might occur as a consequence of product failure.
line: Winbond logo
line: the lot number
line: the tracking code: 149 O B SA
line: the part number: W39L020T-70
PART NO.
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
2138977A-A12
W39L020T-70
149OBSA
ACCESS
TIME
(nS)
70
90
70
90
70
90
70
90
70
90
70
90
POWER SUPPLY
CURRENT MAX.
(mA)
20
20
20
20
20
20
20
20
20
20
20
20
CURRENT MAX.
- 23 -
STANDBY V
(mA)
2
2
2
2
2
2
2
2
2
2
2
2
Publication Release Date: November 11, 2002
DD
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)
PACKAGE
W39L020
Revision A4
CYCLE
10K
10K
10K
10K
10K
10K
1K
1K
1K
1K
1K
1K