SN74ACT7881 Datasheet, PDF (1/15 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 Read and Write Operations Can Be
Synchronized to Independent System
Clocks
D Programmable Almost-Full/Almost-Empty
Flag
D Pin-to-Pin Compatible With SN74ACT7882,
SN74ACT7884, and SN74ACT7811
SN74ACT7881
1024 × 18
CLOCKED FIRST-IN, FIRST-OUT MEMORY
SCAS227E – FEBRUARY 1993 – REVISED APRIL 1998
D Input-Ready, Output-Ready, and Half-Full
Flags
D Expandable in Word Width and/or Word
Depth
D Fast Access Times of 11 ns With a 50-pF
Load
D High Output Drive for Direct Bus Interface
D Package Options Include 68-Pin Plastic
Leaded Chip Carrrier (FN) or 80-Pin Shrink
Quad Flat (PN) Package
FN PACKAGE
(TOP VIEW)
D14
D13
D12
D11
D10
D9
V_CC
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
V_CC
Q14
Q13
GND
Q12
Q11
V_CC
Q10
Q9
GND
Q8
Q7
V_CC
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 © 1998, Texas Instruments Incorporated
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