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SN74ACT2235-20PAG PDF预览

SN74ACT2235-20PAG

更新时间： 2024-10-29 05:17:59
品牌 Logo 应用领域
德州仪器 - TI 存储内存集成电路先进先出芯片时钟
页数 文件大小 规格书
18页 276K
描述
1024 】 9 】 2 ASYNCHRONOUS BIDIRECTIONAL FIRST-IN, FIRST-OUT MEMORY

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中文翻译

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SN74ACT2235-20PAG 技术参数

是否无铅： 含铅是否Rohs认证： 符合
生命周期：Obsolete零件包装代码：QFP
包装说明：TFQFP, TQFP64,.47SQ针数：64
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.32.00.71Factory Lead Time：1 week
风险等级：5.7最长访问时间：25 ns
其他特性：BYPASS-XCVR最大时钟频率 (fCLK)：50 MHz
周期时间：20 nsJESD-30 代码：S-PQFP-G64
JESD-609代码：e4长度：10 mm
内存密度：9216 bit内存集成电路类型：BI-DIRECTIONAL FIFO
内存宽度：9湿度敏感等级：3
功能数量：1端子数量：64
字数：1024 words字数代码：1000
工作模式：ASYNCHRONOUS最高工作温度：70 °C
最低工作温度：组织：1KX9
输出特性：3-STATE可输出：YES
封装主体材料：PLASTIC/EPOXY封装代码：TFQFP
封装等效代码：TQFP64,.47SQ封装形状：SQUARE
封装形式：FLATPACK, THIN PROFILE, FINE PITCH并行/串行：PARALLEL
峰值回流温度（摄氏度）：260电源：5 V
认证状态：Not Qualified座面最大高度：1.2 mm
子类别：FIFOs最大供电电压 (Vsup)：5.5 V
最小供电电压 (Vsup)：4.5 V标称供电电压 (Vsup)：5 V
表面贴装：YES技术：CMOS
温度等级：COMMERCIAL端子面层：Nickel/Palladium/Gold (Ni/Pd/Au)
端子形式：GULL WING端子节距：0.5 mm
端子位置：QUAD处于峰值回流温度下的最长时间：NOT SPECIFIED
宽度：10 mmBase Number Matches：1

SN74ACT2235-20PAG 数据手册

 浏览型号SN74ACT2235-20PAG的Datasheet PDF文件第2页浏览型号SN74ACT2235-20PAG的Datasheet PDF文件第3页浏览型号SN74ACT2235-20PAG的Datasheet PDF文件第4页浏览型号SN74ACT2235-20PAG的Datasheet PDF文件第5页浏览型号SN74ACT2235-20PAG的Datasheet PDF文件第6页浏览型号SN74ACT2235-20PAG的Datasheet PDF文件第7页 
SN74ACT2235  
1024 × 9 × 2  
ASYNCHRONOUS BIDIRECTIONAL FIRST-IN, FIRST-OUT MEMORY  
SCAS148F – DECEMBER 1990 – REVISED JUNE 2003  
Independent Asynchronous Inputs and  
Outputs  
Access Times of 25 ns With a 50-pF Load  
Data Rates up to 50 MHz  
Low-Power Advanced CMOS Technology  
Bidirectional  
Fall-Through Times of 22 ns Maximum  
High Output Drive for Direct Bus Interface  
Dual 1024 by 9 Bits  
Package Options Include 44-Pin Plastic  
Leaded Chip Carriers (FN) and 64-Pin Thin  
Quad Flat (PAG, PM) Packages  
Programmable Almost-Full/Almost-Empty  
Flag  
Empty, Full, and Half-Full Flags  
description  
A FIFO memory is a storage device that allows data to be written into and read from its array at independent  
data rates. The SN74ACT2235 is arranged as two 1024 × 9-bit FIFOs for high speed and fast access times.  
It processes data at rates up to 50 MHz, with access times of 25 ns in a bit-parallel format.  
The SN74ACT2235 consists of bus-transceiver circuits, two 1024 × 9-bit FIFOs, and control circuitry arranged  
for multiplexed transmission of data directly from the data bus or from the internal FIFO memories. Enable (GAB  
and GBA) inputs are provided to control the transceiver functions. The select-control (SAB and SBA) inputs are  
provided to select whether real-time or stored data is transferred. The circuitry used for select control eliminates  
the typical decoding glitch that occurs in a multiplexer during the transition between stored and real-time data.  
Figure 2 shows the eight fundamental bus-management functions that can be performed with the  
SN74ACT2235.  
For more information on this device family, see the application report, 1K × 9 × 2 Asynchronous FIFO  
SN74ACT2235, literature number SCAA010.  
The SN74ACT2235 is characterized for operation from 0°C to 70°C.  
FN PACKAGE  
(TOP VIEW)  
6 5  
4
3
2
1 44 43 42 41 40  
39  
B2  
B3  
B4  
V
B5  
B6  
B7  
B8  
GND  
AF/AEB  
HFB  
A3  
A4  
7
8
38  
37  
36  
35  
34  
33  
32  
31  
30  
29  
9
V
CC  
A5  
10  
11  
12  
13  
14  
15  
16  
17  
CC  
A6  
A7  
A8  
GND  
AF/AEA  
HFA  
LDCKA  
18 19 20 21 22 23 24 25 26 27 28  
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of  
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
Copyright 2003, Texas Instruments Incorporated  
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of Texas Instruments  
standard warranty. Production processing does not necessarily include  
testing of all parameters.  
1
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265  
1234567...18

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SN74ACT2235-20PAG 替代型号

型号 品牌 替代类型 描述 数据表
SN74ACT2235-60PAG TI

类似代替

 1024 】 9 】 2 ASYNCHRONOUS BIDIRECTIONAL FIRST
SN74ACT2235-40PAG TI

类似代替

 1024 】 9 】 2 ASYNCHRONOUS BIDIRECTIONAL FIRST
SN74ACT2235-30PAG TI

类似代替

 1024 】 9 】 2 ASYNCHRONOUS BIDIRECTIONAL FIRST

与SN74ACT2235-20PAG相关器件

型号 品牌 获取价格 描述 数据表
SN74ACT2235-20PM TI

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 		1024 】 9 】 2 ASYNCHRONOUS BIDIRECTIONAL FIRST
SN74ACT2235-20PMR TI

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 		1KX9 BI-DIRECTIONAL FIFO, 25ns, PQFP64, PLASTIC, LQFP-64
SN74ACT2235-30FN TI

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 		1024 】 9 】 2 ASYNCHRONOUS BIDIRECTIONAL FIRST
SN74ACT2235-30FNR TI

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 		1024 】 9 】 2 ASYNCHRONOUS BIDIRECTIONAL FIRST
SN74ACT2235-30PAG TI

获取价格

 		1024 】 9 】 2 ASYNCHRONOUS BIDIRECTIONAL FIRST
SN74ACT2235-30PAGR TI

获取价格

 		1KX9 BI-DIRECTIONAL FIFO, 25ns, PQFP64, GREEN, PLASTIC, TQFP-64
SN74ACT2235-30PM TI

获取价格

 		1024 】 9 】 2 ASYNCHRONOUS BIDIRECTIONAL FIRST
SN74ACT2235-30PMR TI

获取价格

 		1KX9 BI-DIRECTIONAL FIFO, 25ns, PQFP64, PLASTIC, LQFP-64
SN74ACT2235-40FN TI

获取价格

 		1024 】 9 】 2 ASYNCHRONOUS BIDIRECTIONAL FIRST
SN74ACT2235-40FNR TI

获取价格

 		1KX9 BI-DIRECTIONAL FIFO, 35ns, PQCC44, PLASTIC, LCC-44

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