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1O7820-15PNG4 PDF预览

1O7820-15PNG4

更新时间: 2024-02-04 05:33:25
品牌 Logo 应用领域
德州仪器 - TI 存储信息通信管理先进先出芯片
页数 文件大小 规格书
18页 253K
描述
STROBED BIDIRECTIONAL FIRST-IN, FIRST-OUT MEMORY

1O7820-15PNG4 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Obsolete零件包装代码:QFP
包装说明:GREEN, PLASTIC, LQFP-80针数:80
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.32.00.71风险等级:5.84
Is Samacsys:N最长访问时间:12 ns
周期时间:15 nsJESD-30 代码:S-PQFP-G80
JESD-609代码:e4长度:12 mm
内存密度:9216 bit内存宽度:18
湿度敏感等级:3功能数量:1
端子数量:80字数:512 words
字数代码:512工作模式:SYNCHRONOUS
最高工作温度:70 °C最低工作温度:
组织:512X18可输出:YES
封装主体材料:PLASTIC/EPOXY封装代码:LFQFP
封装形状:SQUARE封装形式:FLATPACK, LOW PROFILE, FINE PITCH
并行/串行:PARALLEL峰值回流温度(摄氏度):260
认证状态:Not Qualified座面最大高度:1.6 mm
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:BICMOS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:12 mm
Base Number Matches:1

1O7820-15PNG4 数据手册

 浏览型号1O7820-15PNG4的Datasheet PDF文件第1页浏览型号1O7820-15PNG4的Datasheet PDF文件第3页浏览型号1O7820-15PNG4的Datasheet PDF文件第4页浏览型号1O7820-15PNG4的Datasheet PDF文件第5页浏览型号1O7820-15PNG4的Datasheet PDF文件第6页浏览型号1O7820-15PNG4的Datasheet PDF文件第7页 
SN74ABT7820  
512 × 18 × 2  
STROBED BIDIRECTIONAL FIRST-IN, FIRST-OUT MEMORY  
SCAS206D – AUGUST 1991 – REVISED APRIL 1998  
PN PACKAGE  
(TOP VIEW)  
80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61  
AF/AEA  
HFA  
AF/AEB  
HFB  
1
2
3
4
60  
59  
58  
57  
FULLA  
GND  
A0  
FULLB  
GND  
5
6
56 B0  
A1  
B1  
55  
54  
53  
7
8
9
V
V
CC  
B2  
CC  
A2  
A3  
B3  
52  
51  
50  
GND  
A4  
GND  
B4  
10  
11  
49  
48  
47  
46  
A5  
B5  
12  
13  
14  
15  
16  
17  
18  
19  
GND  
A6  
GND  
B6  
A7  
B7  
45  
44  
GND  
A8  
GND  
B8  
43  
42  
41  
A9  
B9  
V
V
CC  
B10  
CC  
A10  
20  
21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40  
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 SN74ABT7820 is arranged as two 512 × 18-bit FIFOs for high speed and fast access times. It  
processes data at rates up to 67 MHz with access times of 12 ns in a bit-parallel format.  
The SN74ABT7820 consists of bus-transceiver circuits, two 512 × 18 FIFOs, and control circuitry arranged for  
multiplexed transmission of data directly from the data bus or from the internal FIFO memories. Enable inputs  
(GAB and GBA) control the transceiver functions. The SAB and SBA control inputs 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 1 illustrates the eight  
fundamental bus-management functions that can be performed with the SN74ABT7820.  
The SN74ABT7820 is characterized for operation from 0°C to 70°C.  
2
POST OFFICE BOX 655303 DALLAS, TEXAS 75265  

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