파트넘버.co.kr MC74AC646 데이터시트 PDF


MC74AC646 반도체 회로 부품 판매점

OCTAL TRANSCEIVER/REGISTER WITH 3-STATE OUTPUTS (NON-INVERTING)



Motorola Semiconductors 로고
Motorola Semiconductors
MC74AC646 데이터시트, 핀배열, 회로
www.DataSheet4U.com
MC74AC646
MC74ACT646
Octal Transceiver/Register with
3ĆState Outputs (NonĆinverting)
The MC74AC646/74ACT646 consist of registered bus transceiver circuits,
with outputs, D-type flip-flops and control circuitry providing multiplexed transmission
of data directly from the input bus or from the internal storage registers. Data on the
A or B bus will be loaded into the respective registers on the LOW-to-HIGH transition
of the appropriate clock pin (CAB or CBA). The four fundamental data handling
functions available are illustrated in the following figures.
OCTAL
TRANSCEIVER/REGISTER
WITH 3-STATE OUTPUTS
(NON-INVERTING)
REAL TIME TRANSFER
A-BUS TO B-BUS
A-BUS
REG REG
B-BUS
Figure 1
REAL TIME TRANSFER
B-BUS TO A-BUS
A-BUS
REG REG
B-BUS
Figure 2
STORAGE
FROM BUS TO REGISTER
A-BUS
REG REG
B-BUS
Figure 3
TRANSFER
FROM REGISTER TO BUS
A-BUS
REG REG
B-BUS
Figure 4
Independent Registers for A and B Buses
Multiplexed Real-Time and Stored Data Transfers
Choice of True and Inverting Data Paths
3-State Outputs
300 mil Slim Dual In-Line Package
Outputs Source/Sink 24 mA
• ′ACT646 Has TTL Compatible Inputs
N SUFFIX
CASE 724-03
PLASTIC
DW SUFFIX
CASE 751E-04
SOIC PACKAGE
LOGIC SYMBOL
CAB A0 A1 A2 A3 A4 A5 A6 A7
SAB
DIR
CBA
SBA
G B0 B1 B2 B3 B4 B5 B6 B7
DataSheet4 U .com
FACT DATA
5-1


MC74AC646 데이터시트, 핀배열, 회로
www.DataSheet4U.com
MC74AC646 MC74ACT646
FUNCTION TABLE
Inputs
G DIR CAB CBA SAB SBA
H X H or L H or L X X
HX
XX
Data I/O*
A0–A7
B0–B7
Input
Input
Operation or Function
Isolation
Store A and B Data
L LXXXL
L LXXXH
Output
Input
Real Time B Data to A Bus
Stored B Data to A Bus
L HXX L X
L H H or L X H X
Input
Output
Real Time A Data to B Bus
Stored A Data to B Bus
* The data output functions may be enabled or disabled by various signals at the G and DIR inputs. Data input functions are always enabled; i.e., data at the bus
pins will be stored on every LOW-to-HIGH transition of the appropriate clock inputs.
H = HIGH Voltage Level
L = LOW Voltage Level
X = Immaterial
= LOW-to-HIGH Transition
CAB 1
SAB 2
DIR 3
A0 4
A1 5
A2 6
A3 7
A4 8
A5 9
A6 10
A7 11
GND 12
24 VCC
23 CBA
22 SBA
21 G
20 B0
19 B1
18 B2
17 B3
16 B4
15 B5
14 B6
13 B7
G
DIR
CBA
SBA
CAB
SAB
A0
LOGIC DIAGRAM
1 OF 8 CHANNELS
D0
C0
D0
C0
B0
PIN NAMES
A0–A7
B0–B7
CAB, CBA
SAB, SBA
DIR, G
Data Register Inputs
Data Register A Outputs
Data Register B Inputs
Data Register B Outputs
Clock Pulse Inputs
Transmit/Receive Inputs
Output Enable Inputs
TO 7 OTHER CHANNELS
Please note that this diagram is provided only for the understanding of logic
operations and should not be used to estimate propagation delays.
DataSheet4 U .com
FACT DATA
5-2




PDF 파일 내의 페이지 : 총 9 페이지

제조업체: Motorola Semiconductors

( motorola )

MC74AC646 transceiver

데이터시트 다운로드
:

[ MC74AC646.PDF ]

[ MC74AC646 다른 제조사 검색 ]




국내 전력반도체 판매점


상호 : 아이지 인터내셔날

전화번호 : 051-319-2877

[ 홈페이지 ]

IGBT, TR 모듈, SCR, 다이오드모듈, 각종 전력 휴즈

( IYXS, Powerex, Toshiba, Fuji, Bussmann, Eaton )

전력반도체 문의 : 010-3582-2743



일반적인 전자부품 판매점


디바이스마트

IC114

엘레파츠

ICbanQ

Mouser Electronics

DigiKey Electronics

Element14


관련 데이터시트


MC74AC640

OCTAL BIDIRECTIONAL TRANSCEIVER WITH 3-STATE OUTPUTS - Motorola Semiconductors



MC74AC643

OCTAL BIDIRECTIONAL TRANSCEIVER WITH 3-STATE OUTPUTS - Motorola Semiconductors



MC74AC646

OCTAL TRANSCEIVER/REGISTER - ON Semiconductor



MC74AC646

OCTAL TRANSCEIVER/REGISTER WITH 3-STATE OUTPUTS (NON-INVERTING) - Motorola Semiconductors



MC74AC648

OCTAL TRANSCEIVER/REGISTER WITH 3-STATE OUTPUTS (INVERTING) - Motorola Semiconductors



MC74AC648N

OCTAL TRANSCEIVER/REGISTER WITH 3-STATE OUTPUTS (INVERTING) - Motorola Semiconductors