SN74ACT7802
1024 × 18 STROBED FIRST-IN, FIRST-OUT MEMORY
SCAS187D – AUGUST 1990 – REVISED APRIL 1998
1
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
D
Member of the Texas Instruments
Widebus Family
D
Low-Power Advanced CMOS Technology
D
Load and Unload Clocks Can Be
Asynchronous or Coincident
D
1024 Words × 18 Bits
D
Programmable Almost-Full/Almost-Empty
Flag
D
Empty, Full, and Half-Full Flags
D
Fast Access Times of 30 ns With a 50-pF
Load
D
Fall-Through Time Is 20 ns Typical
D
Data Rates up to 40 MHz
D
High-Output Drive for Direct Bus Interface
D
3-State Outputs
D
Package Options Include 68-Pin (FN) and
80-Pin Thin Quad Flat (PN) Packages
28 29
V
CC
Q14
Q13
GND
Q12
Q11
V
CC
Q10
Q9
GND
Q8
Q7
V
CC
Q6
Q5
GND
Q4
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
30
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
D14
D13
D12
D11
D10
D9
V
CC
D8
GND
D7
D6
D5
D4
D3
D2
D1
D0
31 32 33 34
FN PACKAGE
(TOP VIEW)
V
GND
87 65493
D17
GND
UNCK
NC
NC
OE
RESET
HF
V
Q0
Q1
LDCK
NC
NC
AF/AE
GND
FULL
168672
35 36 37 38 39
66 65
27
DAF
GND
EMPTY
V
64 63 62 61
40 41 42 43
GND
Q2
Q3
V
Q17
Q16
GND
Q15
D15
D16
CC
CC
CC
CC
NC – No internal connection
V
CC
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.
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.
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