參數(shù)資料
型號: MC74HC245ANG
廠商: ON SEMICONDUCTOR
元件分類: 通用總線功能
英文描述: Octal 3-State Noninverting Bus Transceiver
中文描述: HC/UH SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, PDIP20
封裝: LEADFREE, PLASTIC, DIP-20
文件頁數(shù): 2/10頁
文件大小: 129K
代理商: MC74HC245ANG
MC74HC245A
http://onsemi.com
2
Figure 1. Pin Assignment
A5
A3
A2
A1
DIRECTION
GND
A8
A7
A6
A4
5
4
3
2
1
10
9
8
7
6
14
15
16
17
18
19
20
11
12
13
B3
B2
B1
OUTPUT ENABLE
V
CC
B8
B7
B6
B5
B4
A
DATA
PORT
A8
A7
A6
A5
A3
A4
A2
A1
9
8
7
6
5
4
3
2
DIRECTION
OUTPUT ENABLE
1
19
PIN 10 = GND
PIN 20 = V
CC
18
17
16
15
14
13
12
11
B1
B2
B3
B4
B5
B6
B7
B8
B
DATA
PORT
Figure 2. Logic Diagram
FUNCTION TABLE
Control Inputs
Operation
Output
Enable
Direction
L
L
Data Transmitted from Bus B to Bus A
L
H
Data Transmitted from Bus A to Bus B
H
X
Buses Isolated (HighImpedance State)
X = don’t care
ORDERING INFORMATION
Device
Package
Shipping
MC74HC245AN
PDIP20
18 Units / Rail
MC74HC245ANG
PDIP20
(PbFree)
18 Units / Rail
MC74HC245ADW
SOIC20 WIDE
38 Units / Rail
MC74HC245ADWG
SOIC20 WIDE
(PbFree)
38 Units / Rail
MC74HC245ADWR2
SOIC20 WIDE
1000 Tape & Reel
MC74HC245ADWR2G
SOIC20 WIDE
(PbFree)
1000 Tape & Reel
MC74HC245ADT
TSSOP20*
75 Units / Rail
MC74HC245ADTG
TSSOP20*
75 Units / Rail
MC74HC245ADTR2
TSSOP20*
2500 Tape & Reel
MC74HC245ADTR2G
TSSOP20*
2500 Tape & Reel
MC74HC245AF
SOEIAJ20
40 Units / Rail
MC74HC245AFG
SOEIAJ20
(PbFree)
40 Units / Rail
MC74HC245AFEL
SOEIAJ20
2000 Tape & Reel
MC74HC245AFELG
SOEIAJ20
(PbFree)
2000 Tape & Reel
For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging
Specifications Brochure, BRD8011/D.
*This package is inherently PbFree.
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