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IS42S16160G-7TLI

16Mbit SDRAM, 1Mx16, 143MHz CL3, 3.3V, TSOP-54, 4-bank, industrial temp

8909

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制造商零件：

IS42S16160G-7TLI

包装：

TSOP-54 (22.00 x 8.58 x 1.20 mm, 0.50mm pitch)

说明

产品概览

The IS42S16160G-7TLI from ISSI is a 16Mbit (1Mx16) synchronous DRAM (SDRAM) in a TSOP-54 package. Operating at 143MHz (CL3) with 3.3V supply, it provides high-speed volatile memory for embedded processing and buffering applications.

主要规格

Memory Size	16 Mbit (1,048,576 x 16 bit)
Organization	1M words x 16 bits x 4 banks
Clock Frequency	143 MHz (max, CL3)
电源电压	3.3 V (+/-0.3V)
Access Time	7 ns (CL3)
工作温度	-40C to +85C (industrial)

特点

16Mbit SDRAM organized as 1Mx16 with 4 internal banks
143MHz maximum clock rate at CAS Latency 3
Programmable CAS latency (2 or 3) and burst length (1/2/4/8/full)
Auto refresh and self refresh modes for data integrity
3.3V single supply with LVCMOS-compatible I/O
TSOP-54 package for high-density PCB layouts

应用

Embedded processor system memory and frame buffering
Network router and switch packet buffering
Industrial control system data storage
Consumer electronics video and audio buffering

产品介绍：IS42S16160G-7TLI 产品介绍

The IS42S16160G-7TLI from ISSI (Integrated Silicon Solution Inc.) is a 16Mbit synchronous dynamic random access memory (SDRAM) organized as 1,048,576 words by 16 bits in a TSOP-54 package. The device features four internal banks for interleaved access, improving memory bandwidth by hiding precharge latency. The 143MHz maximum clock rate at CAS Latency 3 provides a peak bandwidth of 286MB/s. The SDRAM interface uses a command-based protocol with separate row and column addressing, enabling flexible burst access patterns. Programmable features include CAS latency (2 or 3), burst length (1, 2, 4, 8, or full page), and burst type (sequential or interleaved). Auto refresh (4096 cycles per 64ms) and self refresh modes maintain data integrity during normal and low-power operation. The 3.3V supply with LVCMOS-compatible I/O simplifies interface with standard embedded processors and FPGAs. The industrial temperature range (-40C to +85C) supports demanding embedded applications.

工作原理：IS42S16160G-7TLI 工作原理

The IS42S16160G-7TLI uses a synchronous DRAM architecture with command-based operation. (1) Memory Array: The 16Mbit storage is organized as four banks of 262,144 words by 16 bits. Each bank has its own row decoder, column decoder, and sense amplifiers, allowing one bank to be accessed while another is being precharged (bank interleaving). (2) Synchronous Operation: All inputs are registered on the rising edge of the clock (CLK). Commands are issued on each clock cycle using the CS, RAS, CAS, WE, and DQM control signals. (3) Access Sequence: A read operation requires an ACT (row activate) command to open a row, followed by a RD (column read) command after tRCD delay. The data appears on the output after CAS latency (2 or 3 clock cycles). (4) Refresh: SDRAM cells require periodic refresh (4096 cycles every 64ms). Auto refresh performs one refresh cycle per command. Self refresh mode internally generates refresh cycles for low-power standby. (5) Burst: After the initial access, data is automatically output in a burst sequence of 1, 2, 4, 8, or full page length, maximizing bandwidth for sequential access patterns.

引脚说明：IS42S16160G-7TLI 引脚定义和功能

针脚	名称	类型	功能
A0-A11	Address	输入	Row/column/bank address (multiplexed)
BA0, BA1	Bank	输入	Bank select
DQ0-DQ15	Data	输入/输出	16-bit bidirectional data bus
CLK	时钟	输入	System clock
CKE	控制	输入	Clock enable
CS	控制	输入	Chip select (active low)
RAS, CAS, WE	控制	输入	Command inputs (active low)
LDQM, UDQM	控制	输入	Lower/upper byte data mask

Application Scenarios:In which products and applications isIS42S16160G-7TLI 中古

Embedded processor system memory and frame buffering at 143MHz
Network router and switch packet buffering with 4-bank interleaving
Industrial control system data storage with industrial temperature range
Consumer electronics video and audio buffering at 286MB/s bandwidth

Alternative Models:What chips are recommended as replacements for IS42S16160G-7TLI

制造商	部件编号	包装	说明
ISSI	IS42S16400G-7TLI	TSOP-54	4Mx16, 64Mbit
美光	MT48LC16M16A2P-6A	TSOP-54	16Mx16, equivalent
Winbond	W9812G6KH-6	TSOP-54	8Mx16, 128Mbit
Alliance	AS4C16M16SA-6BIN	TSOP-54	1Mx16, equivalent

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