SN74ABT7820-20PN Datasheet, PDF (1/18 Pages) Texas Instruments – STROBED BIDIRECTIONAL FIRST-IN, FIRST-OUT MEMORY

SN74ABT7820
512 × 18 × 2
STROBED BIDIRECTIONAL FIRST-IN, FIRST-OUT MEMORY
SCAS206D – AUGUST 1991 – REVISED APRIL 1998
D Member of the Texas Instruments
Widebus ™ Family
D Advanced BiCMOS Technology
D Independent Asynchronous Inputs and
Outputs
D Two Separate 512 × 18 FIFOs Buffering
Data in Opposite Directions
D Programmable Almost-Full/Almost-Empty
Flags
D Empty, Full, and Half-Full Flags
D Fast Access Times of 12 ns With a 50-pF
Load and Simultaneous Switching Data
Outputs
D Supports Clock Rates up to 67 MHz
D Package Options Include 80-Pin Quad Flat
(PH) and 80-Pin Thin Quad Flat (PN)
Packages
PH PACKAGE
(TOP VIEW)
RSTA
PENA
AF/AEA
HFA
FULLA
GND
A0
A1
V_CC
A2
A3
GND
A4
A5
GND
A6
A7
GND
A8
A9
V_CC
A10
A11
GND
80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65
1
64
2
63
3
62
4
61
5
60
6
59
7
58
8
57
9
56
10
55
11
54
12
53
13
52
14
51
15
50
16
49
17
48
18
47
19
46
20
45
21
44
22
43
23
42
24
41
25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
RSTB
PENB
AF/AEB
HFB
FULLB
GND
B0
B1
V_CC
B2
B3
GND
B4
B5
GND
B6
B7
GND
B8
B9
V_CC
B10
B11
GND
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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