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参数资料
| 型号： | SN74AVCH16T245GQLR |
| 厂商： | Texas Instruments, Inc. |
| 英文描述： | 16 BIT DUAL SUPPLY BUS TRANSCEIVER WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3 STATE OUTPUTS |
| 中文描述： | 16位双电源总线收发器可配置电压转换和3态输出 |
| 文件页数： | 16/19页 |
| 文件大小： | 446K |
| 代理商： | SN74AVCH16T245GQLR |
SN74AVCH16T245
16BIT DUALSUPPLY BUS TRANSCEIVER
WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3STATE OUTPUTS
SCES587A AUGUST 2004 REVISED OCTOBER 2004
6
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted) (see Notes 9 and 10) (continued)
PARAMETER
TEST CONDITIONS
VCCA
VCCB
TA = 25°C
40
°C TO
85
°C
UNIT
PARAMETER
TEST CONDITIONS
VCCA
VCCB
MIN
TYP
MAX
MIN
MAX
UNIT
Ioff
A port
VI or VO = 0 to 3.6 V
0 V
0 to 3.6 V
±0.1
±2.5
±5
A
Ioff
B port
VI or VO = 0 to 3.6 V
0 to 3.6 V
0 V
±0.1
±2.5
±5
A
I
#
A or B
ports
VO = VCCO or
GND,
OE = VIH
3.6 V
±0.5
±2.5
±5
A
IOZ#
B port
VO = VCCO or
GND,
VI = VCCI or GND OE = don’t
0 V
3.6 V
±5
A
A port
VI = VCCI or GND OE = don’t
care
3.6 V
0 V
±5
1.2 V to 3.6 V
25
ICCA
VI = VCCI or GND, IO = 0
0 V
3.6 V
5
A
ICCA
VI = VCCI or GND, IO = 0
3.6 V
0 V
25
A
1.2 V to 3.6 V
25
ICCB
VI = VCCI or GND, IO = 0
0 V
3.6 V
25
A
ICCB
VI = VCCI or GND, IO = 0
3.6 V
0 V
5
A
ICCA ) ICCB
VI = VCCI or GND, IO = 0
1.2 V to 3.6 V
45
A
Ci
Control
inputs
VI = 3.3 V or GND
3.3 V
3.5
pF
Cio
A or B
ports
VO = 3.3 V or GND
3.3 V
7
pF
# For I/O ports, the parameter IOZ includes the input leakage current.
NOTES:
9. VCCO is the VCC associated with the output port.
10. VCCI is the VCC associated with the input port.
switching characteristics over recommended operating free-air temperature range,
VCCA = 1.2 V (see Figure 1)
PARAMETER
FROM
TO
VCCB = 1.2 V
VCCB = 1.5 V
VCCB = 1.8 V
VCCB = 2.5 V
VCCB = 3.3 V
UNIT
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
TYP
UNIT
tPLH
A
B
4.1
3.3
3
2.8
3.2
ns
tPHL
A
B
4.1
3.3
3
2.8
3.2
ns
tPLH
B
A
4.4
4
3.8
3.6
3.5
ns
tPHL
B
A
4.4
4
3.8
3.6
3.5
ns
tPZH
OE
A
6.4
ns
tPZL
OE
A
6.4
ns
tPZH
OE
B
6
4.6
4
3.4
3.2
ns
tPZL
OE
B
6
4.6
4
3.4
3.2
ns
tPHZ
OE
A
6.6
6.8
ns
tPLZ
OE
A
6.6
6.8
ns
tPHZ
OE
B
6
4.9
4.2
5.3
ns
tPLZ
OE
B
6
4.9
4.2
5.3
ns
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