參數(shù)資料
型號: IDT74FCT166245CTPA
廠商: INTEGRATED DEVICE TECHNOLOGY INC
元件分類: 通用總線功能
英文描述: FAST CMOS 16-BIT BIDIRECTIONAL TRANSCEIVERS
中文描述: FCT SERIES, DUAL 8-BIT TRANSCEIVER, TRUE OUTPUT, PDSO48
封裝: 0.50 MM PITCH, TSSOP-48
文件頁數(shù): 2/10頁
文件大?。?/td> 185K
代理商: IDT74FCT166245CTPA
5.3
2
IDT54/74FCT16245T/AT/CT/ET, 162245T/AT/CT/ET, IDT54/74FCT166245T/AT/CT, IDT54/74FCT162H245T/AT/CT/ET
FAST CMOS 16-BIT BIDIRECTIONAL TRANSCEIVERS
MILITARY AND COMMERCIAL TEMPERATURE RANGES
1
DIR
1
B
1
GND
1
B
3
V
CC
GND
2
B
2
GND
V
CC
GND
1
B
2
1
B
4
1
B
5
1
B
6
1
B
7
1
B
8
2
B
1
2
B
3
2
B
4
2
B
5
2
B
7
2
B
8
2
B
6
2
DIR
1
A
1
1
A
2
GND
1
A
3
1
A
4
V
CC
1
A
5
1
A
6
1
A
7
1
A
8
2
A
1
2
A
2
2
A
3
2
A
4
V
CC
2
A
5
2
A
7
2
A
8
2
A
6
GND
GND
GND
2
OE
1
OE
39
29
30
31
32
33
34
35
36
37
38
25
26
27
28
48
47
41
42
43
44
45
46
40
1
2
3
4
5
6
7
8
9
10
12
13
14
15
16
17
18
19
20
11
21
22
23
24
2545 drw 04
CERPACK
TOP VIEW
E48-1
FEATURES: (Cont'd.)
Features for FCT166245T/AT/CT:
Light Drive A Port:
DESCRIPTION: (Cont'd.)
load (<100pF). The buffers are designed to limit the output
current to levels which will avoid noise and ringing on the
signal lines without using external series terminating resis-
tors. These parts have a
±
8mA driver on the "A" Port and a
+64/–32mA driver on the "B" Port, making them ideal for
interfacing noisy system busses to noise sensitive interfaces.
The FCT162H245T have "Bus Hold" which retains the
input's last state whenever the input goes to high impedance.
This prevents "floating" inputs and eliminates the need for
pull-up/down resistors.
±
8mA (commercial),
±
6mA (military)
+64mA, –32mA (commercial),
+48mA, –24mA (military)
High Drive B Port:
Minimal system switching noise
Typical V
OLP
(Output Ground Bounce) < 0.25V at
V
CC
= 5V,T
A
= 25
°
C (A Port Switching)
Features for FCT162H245T/AT/CT/ET:
Bus Hold retains last active bus state during 3-state
Eliminates the need for external pull up resistors
PIN CONFIGURATIONS
1
DIR
1
B
1
GND
1
B
3
V
CC
GND
2
B
2
GND
V
CC
GND
1
B
2
1
B
4
1
B
5
1
B
6
1
B
7
1
B
8
2
B
1
2
B
3
2
B
4
2
B
5
2
B
7
2
B
8
2
B
6
2
DIR
1
A
1
1
A
2
GND
1
A
3
1
A
4
V
CC
1
A
5
1
A
6
1
A
7
1
A
8
2
A
1
2
A
2
2
A
3
2
A
4
V
CC
2
A
5
2
A
7
2
A
8
2
A
6
GND
GND
GND
2
OE
1
OE
2545 drw 03
39
29
30
31
32
33
34
35
36
37
38
25
26
27
28
48
47
41
42
43
44
45
46
40
1
2
3
4
5
6
7
8
9
10
12
13
14
15
16
17
18
19
20
11
21
22
23
24
SSOP/
TSSOP/TVSOP
TOP VIEW
SO48-1
SO48-2
SO48-3
相關PDF資料
PDF描述
IDT74FCT166245CTPAB FAST CMOS 16-BIT BIDIRECTIONAL TRANSCEIVERS
IDT74FCT166245CTPF FAST CMOS 16-BIT BIDIRECTIONAL TRANSCEIVERS
IDT74FCT166245CTPFB FAST CMOS 16-BIT BIDIRECTIONAL TRANSCEIVERS
IDT74FCT166245CTPV FAST CMOS 16-BIT BIDIRECTIONAL TRANSCEIVERS
IDT74FCT166245CTPVB FAST CMOS 16-BIT BIDIRECTIONAL TRANSCEIVERS
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