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参数资料
| 型号： | SN74LVCH16T245GQLR |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 总线收发器 |
| 英文描述： | LVC/LCX/Z SERIES, DUAL 8-BIT TRANSCEIVER, TRUE OUTPUT, PBGA56 |
| 封装： | PLASTIC, VFBGA-56 |
| 文件页数： | 14/16页 |
| 文件大小： | 471K |
| 代理商： | SN74LVCH16T245GQLR |
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Switching Characteristics
Operating Characteristics
SN74LVCH16T245
16-BIT DUAL-SUPPLY BUS TRANSCEIVER
WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUTPUTS
SCES635A – JULY 2005 – REVISED AUGUST 2005
over recommended operating free-air temperature range, V
CCA = 3.3 V ± 0.3 V (unless otherwise noted) (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
A
B
1.6
21.2
1.1
8.8
0.8
6.2
0.6
4.4
ns
tPHL
tPLH
B
A
0.8
7.2
0.8
6.2
0.7
6.1
0.6
6
ns
tPHL
tPHZ
OE
A
1.6
8.2
1.6
8.2
1.6
8.2
1.6
8.2
ns
tPLZ
tPHZ
OE
B
2.1
29
1.7
10.3
1.5
8.8
0.8
6.3
ns
tPLZ
tPZH
OE
A
0.8
7.8
0.8
8.1
0.8
8.1
0.8
8.1
ns
tPZL
tPZH
OE
B
1.8
27.7
1.4
12.4
1.1
8.5
0.8
6.4
ns
tPZL
over recommended operating free-air temperature range, V
CCA = 5 V ± 0.5 V (unless otherwise noted) (see Figure 1)
VCC = 1.8 V
VCC = 2.5 V
VCC = 3.3 V
VCC = 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
A
B
1.5
21.4
1
8.8
0.7
6
0.4
4.2
ns
tPHL
tPLH
B
A
0.7
7
0.4
4.8
0.3
4.5
0.3
4.3
ns
tPHL
tPHZ
OE
A
0.3
5.4
0.3
5.4
0.3
5.4
0.3
5.4
ns
tPLZ
tPHZ
OE
B
2
28.7
1.8
9.7
1.4
8
0.7
5.7
ns
tPLZ
tPZH
OE
A
0.7
6.4
0.7
6.4
0.7
6.4
0.7
6.4
ns
tPZL
tPZH
OE
B
1.5
27.6
1.3
11.4
1
8.1
0.9
6
ns
tPZL
T
A = 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
2
3
CpdA(1)
CL = 0,
B-port input, A-port output
18
19
22
f = 10 MHz,
pF
A-port input, B-port output
18
19
20
22
tr = tf = 1 ns
CpdB(1)
B-port input, A-port output
2
(1)
Power dissipation capacitance per transceiver
7
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