English
Language : 

SN74ACT7811 Datasheet, PDF (1/17 Pages) Texas Instruments – 1024 × 18 CLOCKED FIRST-IN, FIRST-OUT MEMORY
D Member of the Texas Instruments
Widebus ™ Family
D Independent Asynchronous Inputs and
Outputs
D 1024 Words × 18 Bits
D Read and Write Operations Can Be
Synchronized to Independent System
Clocks
D Programmable Almost-Full/Almost-Empty
Flag
D Pin-to-Pin Compatible With SN74ACT7881,
SN74ACT7882, and SN74ACT7884
SN74ACT7811
1024 × 18
CLOCKED FIRST-IN, FIRST-OUT MEMORY
SCAS151C – JANUARY 1991 – REVISED FEBRUARY 1996
D Input-Ready, Output-Ready, and Half-Full
Flags
D Cascadable in Word Width and/or Word
Depth
D Fast Access Times of 15 ns With a 50-pF
Load
D High-Output Drive for Direct Bus Interface
D Available in 68-Pin PLCC (FN) and
Space-Saving 80-Pin Thin Quad Flat (PN)
Packages
FN PACKAGE
(TOP VIEW)
D14
D13
D12
D11
D10
D9
VCC
D8
GND
D7
D6
D5
D4
D3
D2
D1
D0
9 8 7 6 5 4 3 2 1 68 67 66 65 64 63 62 61
10
60
11
59
12
58
13
57
14
56
15
55
16
54
17
53
18
52
19
51
20
50
21
49
22
48
23
47
24
46
25
45
26
44
27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43
VCC
Q14
Q13
GND
Q12
Q11
VCC
Q10
Q9
GND
Q8
Q7
VCC
Q6
Q5
GND
Q4
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.
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.
Copyright © 1996, Texas Instruments Incorporated
• POST OFFICE BOX 655303 DALLAS, TEXAS 75265
1