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參數(shù)資料
| 型號(hào)： | SN54F280BJ |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | Replaced by BQ4017 : 1024Kx8 Nonvolatile SRAM, 5% Voltage Tolerance 36-DIP MODULE 0 to 70 |
| 中文描述： | 9位奇偶產(chǎn)生器/ |
| 文件頁(yè)數(shù)： | 1/5頁(yè) |
| 文件大?。?/td> | 77K |
| 代理商： | SN54F280BJ |
SN54F280B, SN74F280B
9-BIT PARITY GENERATORS/CHECKERS
SDFS008A – D2932, APRIL 1986 – REVISED OCTOBER 1993
Copyright
1993, Texas Instruments Incorporated
2–1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
Generates Either Odd or Even Parity for
Nine Data Lines
Cascadable for N-Bits Parity
Package Options Include Plastic
Small-Outline Packages, Ceramic Chip
Carriers, and Standard Plastic and Ceramic
300-mil DIPs
description
These
generators/checkers feature odd and even
outputs to facilitate operation of either odd or even
parity application. The word-length capability is
easily expanded by cascading.
universal,
monolithic,
9-bit
parity
The SN54F280B is characterized for operation
over the full military temperature range of –55
°
C
to 125
°
C. The SN74F280B is characterized for
operation from 0
°
C to 70
°
C.
FUNCTION TABLE
NO. OF INPUTS
A THRU I
THAT ARE HIGH
OUTPUTS
Σ
EVEN
Σ
ODD
0, 2, 4, 6, 8
H
L
1, 3, 5, 7, 9
L
H
logic symbol
2k
12
E
8
A
9
B
10
C
11
D
13
F
1
G
2
H
4
I
6
5
Σ
EVEN
Σ
ODD
This symbol is in accordance with ANSI/IEEE Std 91-1984 and IEC Publication 617-12.
Pin numbers shown are for the D, J, and N packages.
SN54F280B . . . J PACKAGE
SN74F280B . . . D OR N PACKAGE
(TOP VIEW)
3
2
1 20 19
9 10 11 12 13
4
5
6
7
8
18
17
16
15
14
E
NC
D
NC
C
NC
NC
I
NC
Σ
EVEN
SN54F280B . . . FK PACKAGE
(TOP VIEW)
H
G
N
A
B
F
O
Σ
G
N
NC – No internal connection
V
1
2
3
4
5
6
7
14
13
12
11
10
9
8
G
H
NC
I
Σ
EVEN
Σ
ODD
GND
V
CC
F
E
D
C
B
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.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| SN54F280BFK | 9-BIT PARITY GENERATORS/CHECKERS |
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| SN54F374FK | OCTAL EDGE-TRIGGERED D-TYPE FLIP-FLOPS WITH 3-STATE OUTPUTS |
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