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SN54ABT7819 PDF预览

SN54ABT7819

更新时间： 2024-11-11 23:06:07
品牌 Logo 应用领域
德州仪器 - TI 存储
页数 文件大小 规格书
20页 290K
描述
512 】 18 】 2 CLOCKED BIDIRECTIONAL FIRST-IN, FIRST-OUT MEMORY

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SN54ABT7819 数据手册

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SN54ABT7819  
512 × 18 × 2  
CLOCKED BIDIRECTIONAL FIRST-IN, FIRST-OUT MEMORY  
SGBS305D – AUGUST 1994 – REVISED APRIL 1998  
Member of the Texas Instruments  
Widebus Family  
Microprocessor Interface Control Logic  
Programmable Almost-Full/Almost-Empty  
Flag  
Advanced BiCMOS Technology  
Free-Running CLKA and CLKB Can Be  
Asynchronous or Coincident  
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  
Released as DSCC SMD (Standard  
Microcircuit Drawing) 5962-9470401QXA  
and 5962-9470401QYA  
Two Separate 512 × 18 Clocked FIFOs  
Buffering Data in Opposite Directions  
Package Options Include 84-Pin Ceramic  
Pin Grid Array (GB) and 84-Pin Ceramic  
Quad Flat (HT) Package  
IRA and ORA Synchronized to CLKA  
IRB and ORB Synchronized to CLKB  
HT PACKAGE  
(TOP VIEW)  
84 83 82 81 80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64  
AF/AEA  
HFA  
IRA  
AF/AEB  
HFB  
IRB  
1
63  
62  
61  
60  
59  
58  
57  
56  
55  
54  
53  
52  
51  
50  
2
3
GND  
A0  
GND  
B0  
4
5
A1  
B1  
6
V
V
7
CC  
CC  
A2  
A3  
B2  
8
B3  
9
GND  
NC  
GND  
NC  
B4  
10  
11  
12  
A4  
A5 13  
GND 14  
A6 15  
B5  
GND  
49 B6  
48 B7  
A7 16  
17  
18  
19  
20  
21  
47  
46  
45  
44  
43  
GND  
A8  
GND  
B8  
A9  
B9  
V
V
CC  
CC  
A10  
B10  
22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42  
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  
On products compliant to MIL-PRF-38535, all parameters are tested  
unless otherwise noted. On all other products, production  
processing does not necessarily include testing of all parameters.  
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...20

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