參數(shù)資料
型號(hào): IDT74FCT2646DTPGB
廠商: Integrated Device Technology, Inc.
英文描述: FAST CMOS OCTAL TRANSCEIVER/ REGISTERS (3-STATE)
中文描述: 快速CMOS八端口收發(fā)器/寄存器(3態(tài))
文件頁(yè)數(shù): 2/9頁(yè)
文件大小: 189K
代理商: IDT74FCT2646DTPGB
6.20
2
IDT54/74FCT646/2646/652/2652T/AT/CT/DT, 648T/AT/CT
FAST CMOS OCTAL TRANSCEIVER/REGISTER
MILITARY AND COMMERCIAL TEMPERATURE RANGES
PIN CONFIGURATIONS
2634 drw 05
PIN DESCRIPTION
2634 tbl 01
2634 drw 04
2634 drw 02
Pin Names
A
1
- A
8
Description
Data Register A Inputs
Data Register B Outputs
B
1
- B
8
Data Register B Inputs
Data Register A Outputs
Clock Pulse Inputs
Output Data Source Select Inputs
CPAB, CPBA
SAB, SBA
DIR,
G
GAB,
GBA
Output Enable Inputs (646/648)
Output Enable Inputs (652)
CPAB
SAB
DIR
A
1
A
2
A
3
A
4
A
5
A
6
A
7
A
8
GND
CPBA
SBA
G
B
1
B
2
B
3
B
4
B
5
B
6
B
7
B
8
V
CC
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
P24-1
D24-1
SO24-2
SO24-7*
SO24-8
SO24-9*
&
E24-1
21
22
23
24
DIP/SOIC/SSOP/
QSOP/TSSOP/CERPACK
TOP VIEW
* FCT646/2646T/AT/CT/DT only
CPAB
SAB
GAB
A
1
A
2
A
3
A
4
A
5
A
6
A
7
A
8
GND
CPBA
SBA
GBA
B
1
B
2
B
3
B
4
B
5
B
6
B
7
B
8
V
CC
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
P24-1
D24-1
SO24-2
SO24-7*
SO24-8
&
E24-1
21
22
23
24
DIP/SOIC/SSOP/
QSOP/CERPACK
TOP VIEW
* FCT652/2652T/AT/CT/DT only
INDEX
LCC
TOP VIEW
3
2
20
19
1
4
5
6
7
8
9
10
111213
18
17
16
15
14
21
22
23
24
25
26
27
28
L28-1
A
1
A
2
A
3
NC
A
4
A
5
A
6
G
B
1
B
2
NC
B
3
B
4
B
5
D
S
C
N
V
C
C
S
A
7
A
8
G
N
B
8
B
7
B
6
INDEX
LCC
TOP VIEW
3
2
20
19
1
4
5
6
7
8
9
10
111213
18
17
16
15
14
21
22
23
24
25
26
27
28
L28-1
A
1
A
2
A
3
NC
A
4
A
5
A
6
GBA
B
1
B
2
NC
B
3
B
4
B
5
G
S
C
N
V
C
C
S
A
7
A
8
G
N
B
8
B
7
B
6
FCT652/FCT2652T
FCT646/FCT2646T
FCT648
2634 drw 03
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