W49F020-70 Winbond, W49F020-70 Datasheet - Page 18

• Manufacturer Part Number: W49F020-70
• Description: 256K X 8 CMOS FLASH MEMORY
• Manufacturer: Winbond

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 applications
3. There are two kinds of boot block in this device. The part number shown in the Ordering Information table is only for Bottom Boot
W49F020-70
W49F020-90
W29F020Q-70
W29F020Q-90
W29F020P-70
W29F020P-90
W49F020-70B
W49F020-90B
W29F020Q-70B
W29F020Q-90B
W29F020P-70B
W29F020P-90B
where personal injury might occur as a consequence of product failure.
Block part, which is in the lower address range. For the requirement of the higher address range boot block, the Top Boot Block,
please contact Winbond FAE for details.
PART NO.
ACCESS
TIME
(nS)
70
90
70
90
70
90
70
90
70
90
70
90
CURRENT
SUPPLY
POWER
(mA)
MAX.
50
50
50
50
50
50
50
50
50
50
50
50
100 (CMOS) 32-pin DIP
100 (CMOS) 32-pin DIP
100 (CMOS) 32-pin TSOP (8 mm
100 (CMOS) 32-pin TSOP (8 mm
100 (CMOS) 32-pin PLCC
100 (CMOS) 32-pin PLCC
100 (CMOS) 32-pin DIP
100 (CMOS) 32-pin DIP
100 (CMOS) 32-pin TSOP (8 mm
100 (CMOS) 32-pin TSOP (8 mm
100 (CMOS) 32-pin PLCC
100 (CMOS) 32-pin PLCC
STANDBY
CURRENT
- 18 -
MAX.
( A)
V
DD
Preliminary W49F020
PACKAGE
20 mm)
20 mm)
20 mm)
20 mm)
CYCLE
10K
10K
10K
10K
10K
10K
1K
1K
1K
1K
1K
1K