參數(shù)資料
型號： SN74LVC1T45DCKRG4
廠商： TEXAS INSTRUMENTS INC
元件分類： 總線收發(fā)器
英文描述： LVC/LCX/Z SERIES, 1-BIT TRANSCEIVER, TRUE OUTPUT, PDSO6
封裝： GREEN, PLASTIC, SC-70, 6 PIN
文件頁數(shù)： 24/26頁
文件大?。?/td> 878K
代理商： SN74LVC1T45DCKRG4
Switching Characteristics
Switching Characteristics
Operating Characteristics
www.ti.com ..................................................................................................................................................... SCES515I – DECEMBER 2003 – REVISED MAY 2009
over recommended operating free-air temperature range, VCCA = 3.3 V ± 0.3 V (see Figure 1)
VCCB = 1.8 V
VCCB = 2.5 V
VCCB = 3.3 V
VCCB = 5 V
FROM
TO
±0.15 V
±0.2 V
±0.3 V
±0.5 V
PARAMETER
UNIT
(INPUT)
(OUTPUT)
MIN
MAX
MIN
MAX
MIN
MAX
MIN
MAX
tPLH
2.1
15.5
1.4
8
0.7
5.8
0.7
4.4
A
B
ns
tPHL
2
12.6
1.3
7
0.8
5
0.7
4
tPLH
1.7
8.3
1.3
6.4
0.7
5.8
0.6
5.4
B
A
ns
tPHL
1.8
7.1
1.3
5.4
0.8
5
0.7
4.5
tPHZ
2.9
7.3
3
7.3
2.8
7.3
3.4
7.3
DIR
A
ns
tPLZ
1.8
5.6
1.6
5.6
2.2
5.7
2.2
5.7
tPHZ
5.4
20.5
3.9
10.1
2.9
8.8
2.4
6.8
DIR
B
ns
tPLZ
3.3
14.5
2.9
7.8
2.4
7.1
1.7
4.9
tPZH
(1)
22.8
14.2
12.9
10.3
DIR
A
ns
tPZL
(1)
27.6
15.5
13.8
11.3
tPZH
(1)
21.1
13.6
11.5
10.1
DIR
B
ns
tPZL
(1)
19.9
14.3
12.3
11.3
(1)
The enable time is a calculated value, derived using the formula shown in the enable times section.
over recommended operating free-air temperature range, VCCA = 5 V ±0.5 V (see Figure 1)
VCCB = 1.8 V
VCCB = 2.5 V
VCCB = 3.3 V
VCCB = 5 V
FROM
TO
±0.15 V
±0.2 V
±0.3 V
±0.5 V
PARAMETER
UNIT
(INPUT)
(OUTPUT)
MIN
MAX
MIN
MAX
MIN
MAX
MIN
MAX
tPLH
1.9
15.1
1
7.5
0.6
5.4
0.5
3.9
A
B
ns
tPHL
1.8
12.2
0.9
6.2
0.7
4.5
0.5
3.5
tPLH
1.4
7.2
1
5.1
0.7
4.4
0.5
3.9
B
A
ns
tPHL
1.7
7
0.9
4.6
0.7
4
0.5
3.5
tPHZ
2.1
5.4
2.2
5.4
2.2
5.5
2.2
5.4
DIR
A
ns
tPLZ
0.9
3.8
1
3.8
1
3.7
0.9
3.7
tPHZ
4.8
20.2
2.5
9.8
1
8.5
2.5
6.5
DIR
B
ns
tPLZ
4.2
14.8
2.5
7.4
2.5
7
1.6
4.5
tPZH
(1)
22
12.5
11.4
8.4
DIR
A
ns
tPZL
(1)
27.2
14.4
12.5
10
tPZH
(1)
18.9
11.3
9.1
7.6
DIR
B
ns
tPZL
(1)
17.6
11.6
10
8.6
(1)
The enable time is a calculated value, derived using the formula shown in the enable times section.
TA = 25°C
VCCA =
TEST
VCCB = 1.8 V
VCCB = 2.5 V
VCCB = 3.3 V
VCCB = 5 V
PARAMETER
UNIT
CONDITIONS
TYP
A-port input, B-port output
CL = 0 pF,
3
4
CpdA
(1)
f = 10 MHz,
pF
B-port input, A-port output
18
19
20
21
tr = tf = 1 ns
A-port input, B-port output
CL = 0 pF,
18
19
20
21
CpdB
(1)
f = 10 MHz,
pF
B-port input, A-port output
3
4
tr = tf = 1 ns
(1)
Power dissipation capacitance per transceiver
Copyright 2003–2009, Texas Instruments Incorporated
7
Product Folder Link(s): SN74LVC1T45
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