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参数资料
| 型号： | SN74LVCH8T245DGVRG |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 总线收发器 |
| 英文描述： | LVC/LCX/Z SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, PDSO24 |
| 封装： | PLASTIC, TVSOP-24 |
| 文件页数： | 20/22页 |
| 文件大小： | 755K |
| 代理商： | SN74LVCH8T245DGVRG |
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Switching Characteristics
Operating Characteristics
8-BIT DUAL-SUPPLY BUS TRANSCEIVER
WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUTPUTS
SCES637A – AUGUST 2005 – REVISED FEBRUARY 2007
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
1.5
21.2
1.1
8.8
0.8
6.2
0.5
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
8.6
0.8
6.3
ns
tPLZ
tPZH
OE
A
0.8
8.1
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
0.9
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
1.6
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
12
13
16
f = 10 MHz,
pF
A-port input, B-port output
13
14
16
tr = tf = 1 ns
CpdB(1)
B-port input, A-port output
2
3
(1)
Power dissipation capacitance per transceiver
7
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| SN74LVCH8T245NSR | 功能描述:转换 - 电压电平 8B Dual Supply Bus Transceiver RoHS:否 制造商:Micrel 类型:CML/LVDS/LVPECL to LVCMOS/LVTTL 传播延迟时间:1.9 ns 电源电流:14 mA 电源电压-最大:3.6 V 电源电压-最小:3 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:MLF-8 |
| SN74LVCH8T245PW | 功能描述:转换 - 电压电平 8B Dual Supply Bus Transceiver RoHS:否 制造商:Micrel 类型:CML/LVDS/LVPECL to LVCMOS/LVTTL 传播延迟时间:1.9 ns 电源电流:14 mA 电源电压-最大:3.6 V 电源电压-最小:3 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:MLF-8 |
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