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参数资料
| 型号： | SN74AVCH8T245PWE4 |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 总线收发器 |
| 英文描述： | AVC SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, PDSO24 |
| 封装： | GREEN, PLASTIC, TSSOP-24 |
| 文件页数： | 19/22页 |
| 文件大小： | 561K |
| 代理商： | SN74AVCH8T245PWE4 |
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Electrical Characteristics (continued)
(1) (2)
Switching Characteristics
8-BIT DUAL-SUPPLY BUS TRANSCEIVER
WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUTPUTS
SCES565G – APRIL 2004 – REVISED MARCH 2007
over recommended operating free-air temperature range (unless otherwise noted)
TA = 25°C
–40
°C to 85°C
PARAMETER
TEST CONDITIONS
VCCA
VCCB
UNIT
MIN
TYP MAX
MIN
MAX
A port
0 V
0 V to 3.6 V
±0.1
±1
±5
Ioff
VI or VO = 0 to 3.6 V
A
B port
0 V to 3.6 V
0 V
±0.1
±1
±5
VO = VCCO or GND,
A or B port
VI = VCCI or GND,
3.6 V
±0.5 ±2.5
±5
OE = VIH
IOZ(3)
A
B port
VO = VCCO or GND,
0 V
3.6 V
±5
VI = VCCI or GND,
A port
3.6 V
0 V
±5
OE = don't care
1.2 V to 3.6 V
8
ICCA
VI = VCCI or GND,
IO = 0
0 V
3.6 V
–2
A
3.6 V
0 V
8
1.2 V to 3.6 V
8
ICCB
VI = VCCI or GND,
IO = 0
0 V
3.6 V
8
A
3.6 V
0 V
–2
ICCA + ICCB
VI = VCCI or GND,
IO = 0
1.2 V to 3.6 V
16
A
Control
Ci
VI = 3.3 V or GND
3.3 V
3.5
4.5
pF
inputs
Cio
A or B port
VO = 3.3 V or GND
3.3 V
6
7
pF
(1)
VCCI is the VCC associated with the input port.
(2)
VCCO is the VCC associated with the output port.
(3)
For I/O ports, the parameter IOZ includes the input leakage current.
over recommended operating free-air temperature range, V
CCA = 1.2 V (see Figure 10)
VCCB = 1.2 V
VCCB = 1.5 V
VCCB = 1.8 V
VCCB = 2.5 V
VCCB = 3.3 V
FROM
TO
PARAMETER
UNIT
(INPUT)
(OUTPUT)
TYP
tPLH
3.1
2.6
2.5
3
3.5
A
B
ns
tPHL
3.1
2.6
2.5
3
3.5
tPLH
3.1
2.7
2.5
2.4
2.3
B
A
ns
tPHL
3.1
2.7
2.5
2.4
2.3
tPZH
5.3
OE
A
ns
tPZL
5.3
tPZH
5.1
4
3.5
3.2
3.1
OE
B
ns
tPZL
5.1
4
3.5
3.2
3.1
tPHZ
4.8
OE
A
ns
tPLZ
4.8
tPHZ
4.7
4
4.1
4.3
5.1
OE
B
ns
tPLZ
4.7
4
4.1
4.3
5.1
6
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