SM5903CF datasheet(1/31 Pages) NPC

номер детали	SM5903CF

подробное описание детали	compression and non compression type anti-shock memory controller

PDF	31 Pages

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производитель	NPC [Nippon Precision Circuits Inc]

домашняя страница	http://www.npc.co.jp/en

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NIPPON PRECISION CIRCUITS INC.

NIPPON PRECISION CIRCUITS-1

SM5903CF

compression and non compression type

anti-shock memory controller

Overview

- 2-channel processing

- Serial data input

⋅ 2s complement, 16-bit/MSB first, rear-packed

format

⋅ Wide capture function

(until triple speed available)

- System clock input

⋅ 384fs (16.9344 MHz)

- Anti-shock memory controller

⋅ ADPCM compression method

⋅ 4-level compression mode selectable

4-bit compression mode 2.78 s/Mbit

5-bit compression mode 2.22 s/Mbit

6-bit compression mode 1.85 s/Mbit

Full-bit non compression mode 0.74 s/Mbit

⋅ 4 external DRAM configurations selectable

16M DRAM (4M

× 4 bits ×1,refresh cycle

2048 cycle)

4M DRAM (1M

× 4 bits ×1 or ×2)

1M DRAM (256k

× 4 bits ×1)

- Microcontroller interface

⋅ Serial command write and state read-out

⋅Data residual quantity detector:

15-bit operation, 16-bit output

⋅ Forced mute

- Extension I/O

Microcontroller interface for external control

using 5 extension I/O pins

- +4.5 to +5.5 V operating voltage range

- Schmidt inputs

All input pins (including I/O pins) except CLK

(system clock)

- Reset signal noise elimination

Approximately 3.8

µs or longer (65 system

clock pulses) continuous LOW-level reset

- 44-pin QFP package (0.8 mm pin pitch)

The SM5903CF is a compression and non com-

pression type anti-shock memory controller LSI for

compact disc players. The compression level can

be set in 4 levels, and external memory can be

selected from 4 options (1M, 4M, 4M

× 2, 16M). It

operates from a 4.5 to 5.5 V supply voltage range.

Features

Ordering Information

SM5903CF

44pin QFP

Аналогичный номер детали - SM5903CF

производитель	номер детали	датащи	подробное описание детали
Silicon Mitus, Inc.	SM5903	198Kb / 2P	Wireless Power Transmitter/Receiver (TRx) Supporting Medium Power July 2021 Rev. 0.0.3
Nippon Precision Circui...	SM5903BF	246Kb / 31P	compression and non compression type shock-proof memory controller
	SM5903BF	196Kb / 31P	compression and non compression type shock-proof memory controller
	SM5903BF	196Kb / 31P	compression and non compression type shock-proof memory controller

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Аналогичное описание - SM5903CF

производитель	номер детали	датащи	подробное описание детали
Mitsubishi Electric Sem...	M66330SP	1Mb / 55P	BAND COMPRESSION AND EXPANSION CONTROLLER
Nippon Precision Circui...	SM5859AF	173Kb / 33P	compression and non compression type antishock memory controller
	SM5901AF	154Kb / 31P	compression and non compression type anti-shock memory controller with built-in 1M DRAM
	SM5902AF	312Kb / 40P	compression and non compression type shock-proof memory controller
	SM5903BF	246Kb / 31P	compression and non compression type shock-proof memory controller
	SM5904BF	266Kb / 35P	compression and non compression type shock-proof memory controller
	SM5904CF	267Kb / 35P	compression and non compression type
	SM5905AF	200Kb / 35P	compression and non compression type shock-proof memory controller
	SM5907AF	231Kb / 30P	compression and non compression type shock-proof memory controller
	SM5903BF	196Kb / 31P	compression and non compression type shock-proof memory controller

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Аналогичный номер детали - SM5903CF

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