W29C040P-90 Winbond Electronics, W29C040P-90 Datasheet - Page 19

• Manufacturer Part Number: W29C040P-90
• Manufacturer: Winbond Electronics

Specifications of W29C040P-90

• Density: 4Mb
• Access Time (max): 90ns
• Interface Type: Parallel
• Boot Type: Bottom/Top
• Address Bus: 19b
• Operating Supply Voltage (typ): 5V
• Operating Temp Range: 0C to 70C
• Package Type: PLCC
• 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: 512K
• Supply Current: 50mA
• Mounting: Surface Mount
• Pin Count: 32
• Lead Free Status / Rohs Status: Not Compliant

#CE Controlled Write Cycle Timing Diagram
Page Write Cycle Timing Diagram
Address A18-0
Address A18-0
DQ7-0
#WE
#CE
#OE
DQ7-0
#WE
#CE
#OE
High Z
Byte 0
T
T
T
WP
OES
AS
T
CS
T
WPH
Byte 1
T
AH
T
BLC
- 19 -
T
CP
Data Valid
T
Byte 2
DS
T
T
T
CH
OEH
DH
T
WPH
Publication Release Date: Aug. 14, 2006
Internal Write Starts
Byte N-1
Internal Write Start
T
WC
T
WC
W29C040
Byte N
Revision A11