W49F002U-12B Winbond Electronics, W49F002U-12B Datasheet - Page 17

• Manufacturer Part Number: W49F002U-12B
• Manufacturer: Winbond Electronics

Specifications of W49F002U-12B

• Density: 2Mb
• Access Time (max): 120ns
• Interface Type: Parallel
• Boot Type: Top
• Address Bus: 18b
• Operating Supply Voltage (typ): 5V
• Operating Temp Range: 0C to 70C
• Package Type: PDIP
• Program/erase Volt (typ): 5V
• Sync/async: Asynchronous
• Operating Temperature Classification: Commercial
• Operating Supply Voltage (min): 4.5V
• Operating Supply Voltage (max): 5.5V
• Word Size: 8b
• Number Of Words: 256K
• Supply Current: 50mA
• Mounting: Through Hole
• Pin Count: 32
• Lead Free Status / Rohs Status: Not Compliant

AC Characteristics, continued
Data Polling and Toggle Bit Timing Parameters
Reset Timing Parameters
#OE to Data Polling Output Delay
#CE to Data Polling Output Delay
#OE to Toggle Bit Output Delay
#CE to Toggle Bit Output Delay
V
Reset Pulse Width
Reset Active to Output Float
Reset Inactive to Input Active
DD
stable to Reset Active
PARAMETER
PARAMETER
SYM.
T
T
T
T
OEP
CEP
OET
CET
W49F002U-70
MIN.
SYMBOL
-
-
-
-
T
T
T
T
PRST
RSTP
RSTF
RST
- 17 -
MAX.
35
70
35
70
Publication Release Date: February 21, 2002
MIN.
500
W49F002U-90
MIN.
1
1
-
-
-
-
-
MAX.
40
90
40
90
TYP.
-
-
-
-
W49F002U-120
MIN.
-
-
-
-
W49F002U
MAX.
50
-
-
-
MAX.
120
120
50
50
Revision A6
UNIT
mS
nS
nS
UNIT
S
nS
nS
nS
nS