PSD813F1A-12UI STMicroelectronics, PSD813F1A-12UI Datasheet - Page 45
PSD813F1A-12UI
Manufacturer Part Number
PSD813F1A-12UI
Description
IC FLASH 1MBIT 120NS 80TQFP
Manufacturer
STMicroelectronics
Datasheet
1.PSD813F1A-90U.pdf
(111 pages)
Specifications of PSD813F1A-12UI
Format - Memory
FLASH
Memory Type
FLASH
Memory Size
1M (128K x 8)
Speed
120ns
Interface
Parallel
Voltage - Supply
4.5 V ~ 5.5 V
Operating Temperature
-40°C ~ 85°C
Package / Case
80-TQFP, 80-VQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
497-1974
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PSD813F1A-12UI
Manufacturer:
STMicroelectronics
Quantity:
10 000
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PSD Interface to a Multiplexed 8-Bit Bus
Figure
MCU with an 8-bit multiplexed bus and a PSD. The
ADIO port on the PSD is connected directly to the
MCU address/data bus. Address Strobe (ALE/AS,
PD0) latches the address signals internally.
Latched addresses can be brought out to Port A or
Figure 21. An Example of a Typical 8-bit Multiplexed Bus Interface
21
RESET
MCU
shows an example of a system using a
BHE
ALE
WR
RD
AD [ 7:0 ]
A [ 15:8 ]
B. The PSD drives the ADIO data bus only when
one of its internal resources is accessed and Read
Strobe (RD, CNTL1) is active. Should the system
address bus exceed sixteen bits, Ports A, B, C, or
D may be used as additional address inputs.
PSD
WR ( CNTRL0 )
RD ( CNTRL1 )
BHE ( CNTRL2 )
RST
ALE ( PD0 )
PORT D
PORT
ADIO
PORT
PORT
PORT
A
B
C
( OPTIONAL )
( OPTIONAL )
A [ 7: 0 ]
A [ 15: 8 ]
PSD813F1A
AI02878C
45/111
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