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参数资料
| 型号： | SN74LVC2952ADGVR |
| 厂商： | Texas Instruments, Inc. |
| 英文描述： | OCTAL BUS TRANSCEIVER AND REGISTER WITH 3-STATE OUTPUTS |
| 中文描述： | 八路总线收发器和寄存器与三态输出 |
| 文件页数： | 4/14页 |
| 文件大小： | 283K |
| 代理商： | SN74LVC2952ADGVR |
www.ti.com
Electrical Characteristics
over recommended operating free-air temperature range (unless otherwise noted)
Timing Requirements
over recommended operating free-air temperature range (unless otherwise noted) (see Figure 1)
SN74LVC2952A
OCTAL BUS TRANSCEIVER AND REGISTER
WITH 3-STATE OUTPUTS
SCAS311I–JANUARY 1993–REVISED MARCH 2005
PARAMETER
TEST CONDITIONS
V
CC
MIN
TYP
(1)
MAX
UNIT
I
OH
= –100
μ
A
I
OH
= –4 mA
I
OH
= –8 mA
1.65 V to 3.6 V
1.65 V
2.3 V
2.7 V
3 V
3 V
1.65 V to 3.6 V
1.65 V
2.3 V
2.7 V
3 V
3.6 V
0
3.6 V
V
CC
– 0.2
1.2
1.7
2.2
2.4
2.2
V
OH
V
I
OH
= –12 mA
I
OH
= –24 mA
I
OL
= 100
μ
A
I
OL
= 4 mA
I
OL
= 8 mA
I
OL
= 12 mA
I
OL
= 24 mA
0.2
0.45
0.7
0.4
0.55
±
5
±
10
±
10
10
10
500
V
OL
V
I
I
I
off
I
OZ(2)
Control inputs V
I
= 0 to 5.5 V
μ
A
μ
A
μ
A
V
I
or V
O
= 5.5 V
V
O
= 0 to 5.5 V
V
I
= V
CC
or GND
3.6 V
≤
V
I
≤
5.5 V
(3)
One input at V
CC
– 0.6 V, Other inputs at V
CC
or GND
Control inputs V
I
= V
CC
or GND
A or B ports
V
O
= V
CC
or GND
I
CC
I
O
= 0
3.6 V
μ
A
I
CC
C
i
C
io
2.7 V to 3.6 V
3.3 V
3.3 V
μ
A
pF
pF
5
8.5
(1)
(2)
(3)
All typical values are at V
= 3.3 V, T
= 25
°
C.
For I/O ports, the parameter I
includes the input leakage current.
This applies in the disabled state only.
V
CC
= 1.8 V
0.15 V
MIN
V
CC
= 2.5 V
±
0.2 V
MIN
V
CC
= 3.3 V
±
0.3 V
MIN
V
CC
= 2.7 V
UNIT
MAX
MAX
MIN
MAX
150
MAX
150
f
clock
t
w
Clock frequency
Pulse duration, CLK high or low
(1)
(1)
MHz
ns
(1)
(1)
3.3
1.7
1.3
1.8
1.4
3.3
1.3
1.1
1.1
1.1
Data before CLK high
CLKEN before CLK high
Data after CLK high
CLKEN after CLK high
(1)
(1)
t
su
Setup time
ns
(1)
(1)
(1)
(1)
t
h
Hold time
ns
(1)
(1)
(1)
This information was not available at the time of publication.
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