W49F102P-45 Winbond Electronics, W49F102P-45 Datasheet - Page 18

• Manufacturer Part Number: W49F102P-45
• Manufacturer: Winbond Electronics

Specifications of W49F102P-45

• Density: 1Mb
• Access Time (max): 45ns
• Interface Type: Parallel
• Boot Type: Bottom
• Address Bus: 16b
• 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: 16b
• Number Of Words: 64K
• Supply Current: 50mA
• Mounting: Surface Mount
• Pin Count: 44
• Lead Free Status / Rohs Status: Supplier Unconfirmed

Timing Waveforms, continued
Chip Erase Timing Diagram
Main Memory Erase Timing Diagram
Address A15-0
Address A15-0
DQ15-0
DQ15-0
#WE
#CE
#OE
#WE
#CE
#OE
5555
5555
SW0
XXAA
T
SW0
XXAA
T
WP
WP
T
T
WPH
WPH
2AAA
2AAA
XX55
SW1
XX55
SW1
Six-word code for 5V-only software
Six-word code for 5V-only software
Main Memory Erase
5555
5555
SW2
SW2
XX80
XX80
chip erase
- 18 -
5555
5555
SW3
SW3
XXAA
XXAA
2AAA
SW4
2AAA
SW4
XX55
XX55
5555
SW5
5555
XX10
SW5
XX30
Internal Erase starts
Internal Erase starts
T
EC
T
EC
W49F102