PSD4235G2-90U STMicroelectronics, PSD4235G2-90U Datasheet - Page 46
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PSD4235G2-90U
Manufacturer Part Number
PSD4235G2-90U
Description
IC FLASH 4MBIT 90NS 80TQFP
Manufacturer
STMicroelectronics
Datasheet
1.PSD4235G2-70U.pdf
(129 pages)
Specifications of PSD4235G2-90U
Format - Memory
FLASH
Memory Type
FLASH
Memory Size
4M (512K x 8)
Speed
90ns
Interface
Parallel
Voltage - Supply
4.5 V ~ 5.5 V
Operating Temperature
0°C ~ 70°C
Package / Case
80-TQFP, 80-VQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
497-1968
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PSD4235G2-90U
Manufacturer:
MURATA
Quantity:
34 000
Company:
Part Number:
PSD4235G2-90U
Manufacturer:
STMicroelectronics
Quantity:
10 000
Part Number:
PSD4235G2-90U
Manufacturer:
ST
Quantity:
20 000
Company:
Part Number:
PSD4235G2-90UI
Manufacturer:
TI
Quantity:
8 802
Company:
Part Number:
PSD4235G2-90UI
Manufacturer:
STMicroelectronics
Quantity:
10 000
Programming Flash memory
46/129
Figure 6.
Data toggle flowchart
No
at Valid Even Address
READ DQ5 and DQ6
(DQ13 and DQ14)
Issue RESET
READ DQ6
Cycle failed
instruction
Program
or Erase
START
(DQ14)
(DQ13)
(DQ14)
Toggle
(DQ14)
Toggle
DQ6
DQ5
DQ6
= 1
=
=
Yes
Yes
Yes
No
No
complete
Program
or Erase
Cycle is
AI04921
PSD4235G2