參數(shù)資料
型號(hào): 74HC_HCT245_CNV_2
廠商: NXP Semiconductors N.V.
英文描述: Octal bus transceiver; 3-state
中文描述: 8個(gè)三態(tài)總線收發(fā)器, 3態(tài)
文件頁(yè)數(shù): 17/22頁(yè)
文件大?。?/td> 130K
代理商: 74HC_HCT245_CNV_2
9397 750 14502
Koninklijke Philips Electronics N.V. 2005. All rights reserved.
Product data sheet
Rev. 03 — 31 January 2005
4 of 22
Philips Semiconductors
74HC245; 74HCT245
Octal bus tranceiver; 3-state
6.
Pinning information
6.1 Pinning
6.2 Pin description
(1) The die substrate is attached to this
pad using conductive die attach
material. It can not be used as supply
pin or input
Fig 3.
Pin conguration DIP20, SO20,
SSOP20 and TSSOP20
Fig 4.
Pin conguration DHVQFN20
245
DIR
VCC
A0
OE
A1
B0
A2
B1
A3
B2
A4
B3
A5
B4
A6
B5
A7
B6
GND
B7
001aac431
1
2
3
4
5
6
7
8
9
10
12
11
14
13
16
15
18
17
20
19
001aac432
245
GND(1)
Transparent top view
B6
A6
A7
B5
A5
B4
A4
B3
A3
B2
A2
B1
A1
B0
A0
OE
GND
B7
DIR
V
CC
9
12
8
13
7
14
6
15
5
16
4
17
3
18
2
19
10
11
1
20
terminal 1
index area
Table 3:
Pin description
Symbol
Pin
Description
DIR
1
direction control
A0
2
data input/output
A1
3
data input/output
A2
4
data input/output
A3
5
data input/output
A4
6
data input/output
A5
7
data input/output
A6
8
data input/output
A7
9
data input/output
GND
10
ground (0 V)
B7
11
data input/output
B6
12
data input/output
B5
13
data input/output
B4
14
data input/output
B3
15
data input/output
B2
16
data input/output
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