參數(shù)資料
型號(hào)： SN54ABT7819HT
廠商： Texas Instruments, Inc.
英文描述： 512 】 18 】 2 CLOCKED BIDIRECTIONAL FIRST-IN, FIRST-OUT MEMORY
中文描述： 512】18】2時(shí)鐘雙向先入先出存儲(chǔ)器
文件頁(yè)數(shù)： 1/20頁(yè)
文件大?。?/td> 289K
代理商： SN54ABT7819HT
SN54ABT7819
512
×
18
×
2
CLOCKED BIDIRECTIONAL FIRST-IN, FIRST-OUT MEMORY
SGBS305D – AUGUST 1994 – REVISED APRIL 1998
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
Member of the Texas Instruments
Widebus
Family
Advanced BiCMOS Technology
Free-Running CLKA and CLKB Can Be
Asynchronous or Coincident
Read and Write Operations Synchronized
to Independent System Clocks
Two Separate 512
×
18 Clocked FIFOs
Buffering Data in Opposite Directions
IRA and ORA Synchronized to CLKA
IRB and ORB Synchronized to CLKB
Microprocessor Interface Control Logic
Programmable Almost-Full/Almost-Empty
Flag
Fast Access Times of 9 ns With a 50-pF
Load and Simultaneous-Switching Data
Outputs
Released as DSCC SMD (Standard
Microcircuit Drawing) 5962-9470401QXA
and 5962-9470401QYA
Package Options Include 84-Pin Ceramic
Pin Grid Array (GB) and 84-Pin Ceramic
Quad Flat (HT) Package
AF/AEB
HFB
IRB
GND
B0
B1
V
CC
B2
B3
GND
NC
B4
B5
GND
B6
B7
GND
B8
B9
V
CC
B10
AF/AEA
HFA
IRA
GND
A0
A1
V
CC
A2
A3
GND
NC
A4
A5
GND
A6
A7
GND
A8
A9
V
CC
A10
HT PACKAGE
(TOP VIEW)
N
C
W
G
W
C
R
O
N
B
A
A
A
G
A
A
O
G
B
B
R
C
W
G
P
B
B
B
W
C
P
G
C
V
A
B
G
R
R
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42
63
62
61
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
43
79 78 77 76 75
80
74
72 71 70
73
69 68 67 66 65 64
84
82 81
83
V
C
V
C
V
A
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
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.
Widebus is a trademark of Texas Instruments Incorporated.
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.
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