dsm2180f3 STMicroelectronics, dsm2180f3 Datasheet - Page 55

• Manufacturer Part Number: dsm2180f3
• Description: Dsm Digital Signal Processor System Memory For Analog Devices Adsp-218x Family 5v Supply
• Manufacturer: STMicroelectronics

Table 33. Flash Memory Program, Write and Erase Times
Note: 1. Programmed to all zero before erase.
Table 34. Reset (Reset) Timing
Note: 1. Reset (RESET) does not reset Flash memory Program or Erase cycles.
Figure 36. Reset (RESET) Timing
t
t
t
t
t
t
t
t
WHQV3
WHQV2
WHQV1
WHWLO
Q7VQV
NLNH
NLNH–PO
OPR
Symbol
Symbol
V
RESET
2. The polling status, DQ7, is valid tQ7VQV time units before the data byte, DQ0-DQ7, is valid for reading.
2. Warm reset aborts Flash memory Program or Erase cycles, and puts the device in Read mode.
CC
Flash Bulk Erase
Flash Bulk Erase (not pre-programmed)
Sector Erase (pre-programmed)
Sector Erase (not pre-programmed)
Byte Program
Program / Erase Cycles (per Sector)
Sector Erase Time-Out
DQ7 Valid to Output (DQ7-DQ0) Valid (Data Polling)
RESET Active Low Time
Power On Reset Active Low Time
RESET High to Operational Device
Power-On Reset
V
t NLNH-PO
CC
(min)
1
Parameter
(pre-programmed)
Parameter
1
t OPR
Conditions
2
100,000
Min.
Warm Reset
t NLNH-A
Min
150
t NLNH
1
Typ.
100
2.2
14
3
5
1
Max.
1200
Max
30
30
30
120
DSM2180F3
t OPR
AI02866b
cycles
Unit
µs
µs
ns
Unit
s
s
s
s
55/63
ms
ns
ns