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参数资料
| 型号： | SN74LV245ATGVR |
| 厂商： | Texas Instruments, Inc. |
| 英文描述： | OCTAL BUS TRANSCEIVER WITH 3-STATE OUTPUTS |
| 中文描述： | 八路总线收发器具有三态输出 |
| 文件页数： | 4/19页 |
| 文件大小： | 464K |
| 代理商： | SN74LV245ATGVR |
www.ti.com
Electrical Characteristics
over recommended operating free-air temperature range (unless otherwise noted)
Switching Characteristics
over recommended operating free-air temperature range, V
CC
= 5 V
±
0.5 V (unless otherwise noted) (see
Figure 1
)
SN74LV245AT
OCTAL BUS TRANSCEIVER
WITH 3-STATE OUTPUTS
SCLS605B–DECEMBER 2004–REVISED AUGUST 2005
T
A
= –40
°
C
to 85
°
C
MIN
4.4
3.8
T
A
= 25
°
C
PARAMETER
TEST CONDITIONS
V
CC
UNIT
MIN
4.4
3.8
TYP
4.5
MAX
MAX
I
OH
= –50
μ
A
I
OH
= –16 mA
I
OL
= 50
μ
A
I
OL
= 16 mA
V
I
= 5.5 V or GND
V
O
= V
CC
or GND
V
I
= V
CC
or GND, I
O
= 0
One input at 3.4 V, Other inputs at V
CC
or GND
V
I
or V
O
= 0 to 5.5 V
V
I
= V
CC
or GND
V
O
= V
CC
or GND
4.5 V
4.5 V
4.5 V
4.5 V
0 to 5.5 V
5.5 V
5.5 V
5.5 V
0
5 V
5 V
V
OH
V
0
0.1
0.55
±
0.1
±
0.25
0.1
0.55
±
1
±
2.5
20
1.5
V
OL
V
I
I
I
OZ
I
CC
I
CC(1)
I
off
C
i
C
io
μ
A
μ
A
μ
A
mA
μ
A
pF
pF
2
1.35
0.5
5
Control inputs
A or B port
3
7
(1)
This is the increase in supply current for each input at one of the specified TTL voltage levels, rather than 0 V or V
CC
.
T
A
= 25
°
C
MIN
3.1
2.3
3.5
3.7
3.5
2.6
4.6
4.7
4.9
5.3
4.5
4.1
FROM
(INPUT)
TO
LOAD
PARAMETER
MIN
MAX
UNIT
(OUTPUT)
CAPACITANCE
TYP
4.9
4.9
9.4
9.4
3.9
3.9
5.4
5.4
9.9
9.9
10.1
10.1
MAX
7.7
7.7
13.8
13.8
7.5
7.5
8.7
8.7
14.8
14.8
15.4
15.4
t
PLH
t
PHL
t
PZH
t
PZL
t
PHz
t
PLZ
t
PLH
t
PHL
t
PZH
t
PZL
t
PHZ
t
PLZ
t
sk(o)
1
1
1
1
1
1
1
1
1
1
1
1
8.5
8.5
15
15
A or B
B or A
C
L
= 15 pF
ns
OE
A or B
C
L
= 15 pF
ns
8
8
OE
A or B
C
L
= 15 pF
ns
9.5
9.5
16
16
16.5
16.5
A or B
B or A
C
L
= 50 pF
ns
OE
A or B
C
L
= 50 pF
ns
OE
A or B
C
L
= 50 pF
ns
C
L
= 50 pF
1
1
ns
4
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| SN74LV245ATNSE4 | 功能描述:总线收发器 Octal Bus Xcvr RoHS:否 制造商:Fairchild Semiconductor 逻辑类型:CMOS 逻辑系列:74VCX 每芯片的通道数量:16 输入电平:CMOS 输出电平:CMOS 输出类型:3-State 高电平输出电流:- 24 mA 低电平输出电流:24 mA 传播延迟时间:6.2 ns 电源电压-最大:2.7 V, 3.6 V 电源电压-最小:1.65 V, 2.3 V 最大工作温度:+ 85 C 封装 / 箱体:TSSOP-48 封装:Reel |
| SN74LV245ATNSG4 | 功能描述:总线收发器 Octal Bus Xcvr RoHS:否 制造商:Fairchild Semiconductor 逻辑类型:CMOS 逻辑系列:74VCX 每芯片的通道数量:16 输入电平:CMOS 输出电平:CMOS 输出类型:3-State 高电平输出电流:- 24 mA 低电平输出电流:24 mA 传播延迟时间:6.2 ns 电源电压-最大:2.7 V, 3.6 V 电源电压-最小:1.65 V, 2.3 V 最大工作温度:+ 85 C 封装 / 箱体:TSSOP-48 封装:Reel |
| SN74LV245ATNSR | 功能描述:总线收发器 Octal Bus Trnscvr With 3-State Outputs RoHS:否 制造商:Fairchild Semiconductor 逻辑类型:CMOS 逻辑系列:74VCX 每芯片的通道数量:16 输入电平:CMOS 输出电平:CMOS 输出类型:3-State 高电平输出电流:- 24 mA 低电平输出电流:24 mA 传播延迟时间:6.2 ns 电源电压-最大:2.7 V, 3.6 V 电源电压-最小:1.65 V, 2.3 V 最大工作温度:+ 85 C 封装 / 箱体:TSSOP-48 封装:Reel |
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