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PSD301-B-90MI 데이터시트 PDF




ST Microelectronics에서 제조한 전자 부품 PSD301-B-90MI은 전자 산업 및 응용 분야에서
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부품번호 PSD301-B-90MI 기능
기능 Low Cost Field Programmable Microcontroller Peripherals
제조업체 ST Microelectronics
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PSD301-B-90MI 데이터시트, 핀배열, 회로
PSD3XX ZPSD3XX ZPSD3XXV
PSD3XXR ZPSD3XXR ZPSD3XXRV
Low Cost Field Programmable Microcontroller Peripherals
FEATURES SUMMARY
s Single Supply Voltage:
– 5 V±10% for PSD3xx, ZPSD3xx, PSD3xxR,
ZPSD3xxR
– 2.7 to 5.5 V for ZPSD3xxV, ZPSD3xxRV
s Up to 1 Mbit of EPROM
s Up to 16 Kbit SRAM
s Input Latches
s Programmable I/O ports
s Page Logic
s Programmable Security
Figure 1. Packages
PLDCC44 (J)
CLDCC44 (L)
PQFP44 (M)
TQFP44 (U)
January 2002
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PSD301-B-90MI pdf, 반도체, 판매, 대치품
1.0
Introduction
Programmable Peripheral
PSD3XX Family
Field-Programmable Microcontroller Peripheral
The low cost PSD3XX family integrates high-performance and user-configurable blocks of
EPROM, programmable logic, and optional SRAM into one part. The PSD3XX products
also provide a powerful microcontroller interface that eliminates the need for external
“glue logic”. The part’s integration, small form factor, low power consumption, and ease of
use make it the ideal part for interfacing to virtually any microcontroller.
The major functional blocks of the PSD3XX include:
Two programmable logic arrays
256Kb to 1 Mb of EPROM
Optional 16 Kb SRAM
Input latches
Programmable I/O ports
Page logic
Programmable security.
The PSD3XX family architecture (Figure 1) can efficiently interface with, and enhance,
almost any 8- or 16-bit microcontroller system. This solution provides microcontrollers the
following:
Chip-select logic, control logic, and latched address signals that are otherwise
implemented discretely
Port expansion (reconstructs lost microcontroller I/O)
Expanded microcontroller address space (up to 16 times)
An EPROM (with security) and optional SRAM
Compatible with 8031-type architectures that use separate Program and Data Space
Interface to shared external resources.
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PSD301-B-90MI 전자부품, 판매, 대치품
PSD3XX Family
3.0
Key Features
t Single-chip programmable peripheral for microcontroller-based applications
t 256K to 1 Mbit of UV EPROM with the following features:
Configurable as 32, 64, or 128 K x 8; or as 16, 32, or 64 K x 16
Divided into eight equally-sized mappable blocks for optimized address mapping
As fast as 70 ns access time, which includes address decoding
t Optional 16 Kbit SRAM is configurable as 2K x 8 or 1K x 16. The access time can be
as quick as 70 ns, including address decoding.
t 19 I/O pins that can be individually configured for :
Microcontroller I/O port expansion
Programmable Address decoder (PAD) I/O
Latched address output
Open-drain or CMOS output
t Two Programmable Arrays (PAD A and PAD B) replace your PLD or decoder, and have
the following features:
Up to 18 Inputs and 24 outputs
40 Product terms (13 for PAD A and 27 for PAD B)
Ability to decode up to 1 MB of address without paging
t Microcontroller logic that eliminates the need for external “glue logic” has the following
features:
Ability to interface to multiplexed and non-multiplexed buses
Built-in address latches for multiplexed address/data bus
ALE and Reset polarity are programmable (Reset polarity not programmable on
V-versions)
Multiple configurations are possible for interface to many different microcontrollers
t Optional built-in page logic expands the MCU address space by up to 16 times
t Programmable power management with standby current as low as 1µA for low-voltage
version
CMiser bit —programmable option to reduce AC power consumption in memory
Turbo Bit (ZPSD only)—programmable bit to reduce AC and DC power consumption
in the PADs.
t Track Mode that allows other microcontrollers or host processors to share access to the
local data bus
t Built-in security locks the device and PAD decoding configuration
t Wide Operating Voltage Range
V-versions: 2.7 to 5.5 volts
Others: 4.5 to 5.5 volts
t Available in a variety of packaging (44-pin PLDCC, CLDCC, TQFP, and PQFP)
t Simple, menu-driven software (PSDsoft) allows configuration and design entry on a PC.
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부품번호상세설명 및 기능제조사
PSD301-B-90MI

Low Cost Field Programmable Microcontroller Peripherals

ST Microelectronics
ST Microelectronics

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