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參數(shù)資料
| 型號(hào)： | SN74ACT16245Q-EP |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | 16-BIT BUS TRANSCEIVER WITH 3-STATE OUTPUTS |
| 中文描述： | 16位總線收發(fā)器和三態(tài)輸出 |
| 文件頁數(shù)： | 4/6頁 |
| 文件大?。?/td> | 87K |
| 代理商： | SN74ACT16245Q-EP |
SN74ACT16245Q-EP
16-BIT BUS TRANSCEIVER
WITH 3-STATE OUTPUTS
SCAS677A
–
MAY 2002
–
REVISED JULY 2002
4
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
VCC
TA = 25
°
C
TYP
MIN
MAX
UNIT
MIN
4.4
MAX
IOH= 50 A
IOH =
–
4.5 V
4.4
5.5 V
5.4
5.4
VOH
IOH= 16 mA
IOH =
–
4.5 V
3.94
3.94
V
5.5 V
4.94
4.94
IOH =
–
24 mA
5.5 V
3.85
IOL= 50 A
IOL = 50 A
4.5 V
0.1
0.1
5.5 V
0.1
0.1
VOL
IOL= 16 mA
IOL = 16 mA
4.5 V
0.36
0.5
V
5.5 V
0.36
0.5
IOL = 24 mA
VI = VCC or GND
VO = VCC or GND
VI = VCC or GND,
One input at 3.4 V,
5.5 V
0.5
±
1
±
10
160
II
IOZ
ICC
ICC
Ci
Cio
Not more than one output should be tested at a time, and the duration of the test should not exceed 10 ms.
For I/O ports, the parameter IOZ includes the input leakage current II.
§
This is the increase in supply current for each input that is at one of the specified TTL-voltage levels rather than 0 V or VCC.
Control inputs
5.5 V
±
0.1
±
0.5
A
A or B ports
5.5 V
A
IO = 0
Other inputs at GND or VCC
5.5 V
8
A
5.5 V
0.9
1
mA
Control inputs
VI = VCC or GND
VO = VCC or GND
5 V
4.5
pF
A or B ports
5 V
16
pF
switching characteristics over recommended ranges of supply voltage and operating free-air
temperature (unless otherwise noted) (see Figure 1)
PARAMETER
FROM
(INPUT)
TO
TA = 25
°
C
TYP
MIN
MAX
UNIT
(OUTPUT)
MIN
3.2
MAX
9.3
tPLH
tPHL
tPZH
tPZL
tPHZ
tPLZ
A or B
B or A
6.9
3.2
11.5
ns
2.6
6.4
9.2
2.6
11.1
G
B or A
2.7
6.4
9.1
2.7
10.9
ns
3.4
7.4
10.5
3.4
12.6
G
B or A
5.8
9.2
11.6
5.8
13.4
ns
5.5
8.5
10.8
5.5
12.7
operating characteristics, V
CC
= 5 V, T
A
= 25
°
C
PARAMETER
TEST CONDITIONS
TYP
52
UNIT
Cd
Cpd
Power dissipation capacitance per transceiver
Outputs enabled
CL= 50 pF
CL = 50 pF,
f = 1 MHz
pF
Outputs disabled
10
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