ST & T UPSD3212A Computer Hardware User Manual


 
uPSD3212A, uPSD3212C, uPSD3212CV
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Table 131. Program, WRITE and Erase Times (5V Devices)
Note: 1. Programmed to all zero before erase.
2. The polling status, DQ7, is valid t
Q7VQV
time units before the data byte, DQ0-DQ7, is valid for reading.
Table 132. Program, WRITE and Erase Times (3V Devices)
Note: 1. Programmed to all zero before erase.
2. The polling status, DQ7, is valid t
Q7VQV
time units before the data byte, DQ0-DQ7, is valid for reading.
Symbol Parameter Min. Typ. Max. Unit
Flash Program 8.5 s
Flash Bulk Erase
(1)
(pre-programmed)
330s
Flash Bulk Erase (not pre-programmed) 5 s
t
WHQV3
Sector Erase (pre-programmed) 1 30 s
t
WHQV2
Sector Erase (not pre-programmed) 2.2 s
t
WHQV1
Byte Program 14 150 µs
Program / Erase Cycles (per Sector) 100,000 cycles
t
WHWLO
Sector Erase Time-out 100 µs
t
Q7VQV
DQ7 Valid to Output (DQ7-DQ0) Valid (Data Polling)
(2)
30 ns
Symbol Parameter Min. Typ. Max. Unit
Flash Program 8.5 s
Flash Bulk Erase
(1)
(pre-programmed)
330s
Flash Bulk Erase (not pre-programmed) 5 s
t
WHQV3
Sector Erase (pre-programmed) 1 30 s
t
WHQV2
Sector Erase (not pre-programmed) 2.2 s
t
WHQV1
Byte Program 14 150 µs
Program / Erase Cycles (per Sector) 100,000 cycles
t
WHWLO
Sector Erase Time-out 100 µs
t
Q7VQV
DQ7 Valid to Output (DQ7-DQ0) Valid (Data Polling)
(2)
30 ns