PSD4235G2-70U STMicroelectronics, PSD4235G2-70U Datasheet - Page 53
PSD4235G2-70U
Manufacturer Part Number
PSD4235G2-70U
Description
IC FLASH 4MBIT 70NS 80TQFP
Manufacturer
STMicroelectronics
Datasheet
1.PSD4235G2-70U.pdf
(129 pages)
Specifications of PSD4235G2-70U
Format - Memory
FLASH
Memory Type
FLASH
Memory Size
4M (512K x 8)
Speed
70ns
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
497-1967
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PSD4235G2-70U
Manufacturer:
ST
Quantity:
210
Company:
Part Number:
PSD4235G2-70U
Manufacturer:
STMicroelectronics
Quantity:
10 000
PSD4235G2
13.5
Figure 8.
Figure 9.
RD
PSEN
VM REG BIT 3
VM REG BIT 4
VM REG BIT 1
VM REG BIT 2
VM REG BIT 0
80C51XA memory map example
See the Application notes for examples.
8031 memory modules - separate space
8031 memory modules - combined space
DPLD
RD
RS0
CSBOOT0-3
FS0-FS7
PSEN
DPLD
RS0
CSBOOT0-3
FS0-FS7
CS
Memory
Primary
Flash
OE
CS
Memory
Primary
Flash
OE
Secondary
CS
Memory
Flash
OE
RD
Secondary
CS
Memory
Flash
OE
CS
SRAM
Memory Select signals
OE
CS
SRAM
OE
AI02870C
AI02869C
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