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SN74ABT7819-20PNR PDF预览

SN74ABT7819-20PNR

更新时间: 2024-11-11 13:13:47
品牌 Logo 应用领域
德州仪器 - TI 存储信息通信管理
页数 文件大小 规格书
20页 285K
描述
512X18 BI-DIRECTIONAL FIFO, 12ns, PQFP80, PLASTIC, LQFP-80

SN74ABT7819-20PNR 技术参数

生命周期:Obsolete零件包装代码:QFP
包装说明:LFQFP,针数:80
Reach Compliance Code:unknownECCN代码:EAR99
HTS代码:8542.32.00.71风险等级:5.75
最长访问时间:12 ns周期时间:20 ns
JESD-30 代码:S-PQFP-G80长度:12 mm
内存密度:9216 bit内存宽度:18
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
输出特性:3-STATE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端子形式:GULL WING
端子节距:0.5 mm端子位置:QUAD
宽度:12 mmBase Number Matches:1

SN74ABT7819-20PNR 数据手册

 浏览型号SN74ABT7819-20PNR的Datasheet PDF文件第2页浏览型号SN74ABT7819-20PNR的Datasheet PDF文件第3页浏览型号SN74ABT7819-20PNR的Datasheet PDF文件第4页浏览型号SN74ABT7819-20PNR的Datasheet PDF文件第5页浏览型号SN74ABT7819-20PNR的Datasheet PDF文件第6页浏览型号SN74ABT7819-20PNR的Datasheet PDF文件第7页 
SN74ABT7819  
512 × 18 × 2  
CLOCKED BIDIRECTIONAL FIRST-IN, FIRST-OUT MEMORY  
SCBS125G – JULY 1992 – REVISED JULY 1998  
Member of the Texas Instruments  
Widebus Family  
Microprocessor Interface Control Logic  
Programmable Almost-Full/Almost-Empty  
Free-Running CLKA and CLKB Can Be  
Asynchronous or Coincident  
Flag  
Fast Access Times of 9 ns With a 50-pF  
Load and Simultaneous Switching Data  
Outputs  
Read and Write Operations Synchronized  
to Independent System Clocks  
Two Separate 512 × 18 Clocked FIFOs  
Data Rates up to 100 MHz  
Buffering Data in Opposite Directions  
Advanced BiCMOS Technology  
IRA and ORA Synchronized to CLKA  
IRB and ORB Synchronized to CLKB  
Package Options Include 80-Pin Quad Flat  
(PH) and 80-Pin Thin Quad Flat (PN)  
Packages  
PH PACKAGE  
(TOP VIEW)  
80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65  
1
2
3
4
5
6
7
8
64  
63  
62  
61  
60  
59  
58  
57  
56  
55  
54  
53  
52  
51  
50  
49  
48  
47  
46  
45  
44  
43  
42  
41  
RSTA  
PENA  
AF/AEA  
HFA  
RSTB  
PENB  
AF/AEB  
HFB  
IRB  
GND  
B0  
B1  
IRA  
GND  
A0  
A1  
9
V
V
B2  
CC  
A2  
CC  
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
22  
23  
24  
A3  
GND  
A4  
A5  
GND  
A6  
A7  
GND  
A8  
B3  
GND  
B4  
B5  
GND  
B6  
B7  
GND  
B8  
A9  
B9  
V
V
CC  
CC  
A10  
A11  
B10  
B11  
GND  
GND  
25 26 27 28 29 30 3132 33 34 35 36 37 38 39 40  
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.  
Widebus is a trademark of Texas Instruments Incorporated.  
Copyright 1998, 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  

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