PM37LV512-70PC PMC [PMC-Sierra, Inc], PM37LV512-70PC Datasheet - Page 8

• Manufacturer Part Number: PM37LV512-70PC
• Description: 512 Kbit (64K X 8) Dual-Voltage Multiple-Cycle-Programmable ROM
• Manufacturer: PMC [PMC-Sierra, Inc]

Programmable Microelectronics Corp.
PMC
DEVICE OPERATIONS FLOWCHARTS (CONTINUED)
CHIP ERASE
Fail
Chart 2. Chip Erase Flowchart
N o
Compare all bytes to FF
Erase 100 ms pulse
O E # / A9 = V
A 9 = V
8
Recovery Time
Read Device
( W E # = V
W E # = V
CE# = V
Wait T
H
P a s s
Start
; OE# = V
IL
R T
IL
Yes
IH
IL
or V
)
IH
H
Issue Date: Dec, 2002 Rev: 1.3
Pm37LV512