PSD834F2-90M STMicroelectronics, PSD834F2-90M Datasheet - Page 93

• Manufacturer Part Number: PSD834F2-90M
• Description: IC FLASH 2MBIT 90NS 52QFP
• Manufacturer: STMicroelectronics

Specifications of PSD834F2-90M

• Format - Memory: FLASH
• Memory Type: FLASH
• Memory Size: 2M (256K x 8)
• Speed: 90ns
• Interface: Parallel
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 52-QFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-2008

Table 60. Program, WRITE and Erase Times (3V devices)
Note: 1. Programmed to all zero before erase.
t
t
t
t
t
WHQV3
WHQV2
WHQV1
WHWLO
Q7VQV
Symbol
2. The polling status, DQ7, is valid tQ7VQV time units before the data byte, DQ0-DQ7, is valid for reading.
Flash Program
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)
1
(pre-programmed)
Parameter
Doc ID 10552 Rev 3
2
100,000
Min.
PSD813F2V, PSD854F2V
Typ.
100
8.5
2.2
14
3
5
1
Max.
1200
30
30
30
cycles
Unit
93/109
µs
ns
µs
s
s
s
s
s