PSD834F2-90M STMicroelectronics, PSD834F2-90M Datasheet - Page 61
![IC FLASH 2MBIT 90NS 52QFP](/photos/7/25/72513/497-52-pqfp_series_sml.jpg)
PSD834F2-90M
Manufacturer Part Number
PSD834F2-90M
Description
IC FLASH 2MBIT 90NS 52QFP
Manufacturer
STMicroelectronics
Datasheet
1.PSD813F2VA-20JI.pdf
(109 pages)
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
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Part Number:
PSD834F2-90M
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ST
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Manufacturer:
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Quantity:
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ST
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Part Number:
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Manufacturer:
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Manufacturer:
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Part Number:
PSD834F2-90MI
Manufacturer:
STMicroelectronics
Quantity:
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External Chip Select
The CPLD also provides three External Chip Se-
lect (ECS0-ECS2) outputs on Port D pins that can
be used to select external devices. Each External
Chip Select (ECS0-ECS2) consists of one product
Figure 31. Port D External Chip Select Signals
PT0
PT1
PT2
POLARITY
POLARITY
POLARITY
BIT
BIT
BIT
Doc ID 10552 Rev 3
ENABLE (.OE)
ENABLE (.OE)
ENABLE (.OE)
term that can be configured active High or Low.
The output enable of the pin is controlled by either
the output enable product term or the Direction
Register. (See Figure 31.)
ECS0
ECS1
ECS2
DIRECTION
DIRECTION
REGISTER
DIRECTION
REGISTER
REGISTER
PSD813F2V, PSD854F2V
PD0 PIN
PD1 PIN
PD2 PIN
AI02890
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