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參數(shù)資料
| 型號： | SN54AHC245W |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS |
| 中文描述： | 八路總線收發(fā)器與三態(tài)輸出 |
| 文件頁數(shù)： | 4/18頁 |
| 文件大?。?/td> | 573K |
| 代理商： | SN54AHC245W |
SN54AHC245, SN74AHC245
OCTAL BUS TRANSCEIVERS
WITH 3-STATE OUTPUTS
SCLS230I
–
OCTOBER 1995
–
REVISED JULY 2003
4
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
switching characteristics over recommended operating free-air temperature range,
V
CC
= 3.3 V
±
0.3 V (unless otherwise noted) (see Figure 1)
PARAMETER
FROM
(INPUT)
TO
LOAD
TA = 25
°
C
TYP
5.8**
SN54AHC245
MIN
1**
SN74AHC245
MIN
1
UNIT
(OUTPUT)
CAPACITANCE
MIN
MAX
8.4**
MAX
10**
MAX
tPLH
tPHL
tPZH
tPZL
tPHZ
tPLZ
tPLH
tPHL
tPZH
tPZL
tPHZ
tPLZ
tsk(o)
A or B
B or A
CL= 15 pF
CL = 15 pF
10
ns
5.8**
8.4**
1**
10**
1
10
OE
A or B
CL= 15 pF
CL = 15 pF
8.5**
13.2**
1**
15.5**
1
15.5
ns
8.5**
13.2**
1**
15.5**
1
15.5
OE
A or B
CL= 15 pF
CL = 15 pF
8.9**
12.5**
1**
15.5**
1
15.5
ns
8.9**
12.5**
1**
15.5**
1
15.5
A or B
B or A
CL= 50 pF
CL = 50 pF
8.3
11.9
1
13.5
1
13.5
ns
8.3
11.9
1
13.5
1
13.5
OE
A or B
CL= 50 pF
CL = 50 pF
11
16.7
1
19
1
19
ns
11
16.7
1
19
1
19
OE
A or B
CL= 50 pF
CL = 50 pF
11.5
15.8
1
18
1
18
ns
11.5
15.8
1
18
1
18
CL = 50 pF
1.5***
1.5
ns
** On products compliant to MIL-PRF-38535, this parameter is not production tested.
*** On products compliant to MIL-PRF-38535, this parameter does not apply.
switching characteristics over recommended operating free-air temperature range,
V
CC
= 5 V
±
0.5 V (unless otherwise noted) (see Figure 1)
PARAMETER
FROM
(INPUT)
TO
LOAD
TA = 25
°
C
TYP
SN54AHC245
MIN
1*
SN74AHC245
MIN
1
UNIT
(OUTPUT)
CAPACITANCE
MIN
MAX
5.5*
MAX
6.5*
MAX
6.5
tPLH
tPHL
tPZH
tPZL
tPHZ
tPLZ
tPLH
tPHL
tPZH
tPZL
tPHZ
tPLZ
tsk(o)
A or B
B or A
CL= 15 pF
CL = 15 pF
4*
ns
4*
5.5*
1*
6.5*
1
6.5
OE
A or B
CL= 15 pF
CL = 15 pF
5.8*
8.5*
1*
10*
1
10
ns
5.8*
8.5*
1*
10*
1
10
OE
A or B
CL= 15 pF
CL = 15 pF
5.6*
7.8*
1*
9.2*
1
9.2
ns
5.6*
7.8*
1*
9.2*
1
9.2
A or B
B or A
CL= 50 pF
CL = 50 pF
5.5
7.5
1
8.5
1
8.5
ns
5.5
7.5
1
8.5
1
8.5
OE
A or B
CL= 50 pF
CL = 50 pF
7.3
10.6
1
12
1
12
ns
7.3
10.6
1
12
1
12
OE
A or B
CL= 50 pF
CL = 50 pF
7
9.7
1
11
1
11
ns
7
9.7
1
11
1
11
CL = 50 pF
1**
1
ns
* On products compliant to MIL-PRF-38535, this parameter is not production tested.
** On products compliant to MIL-PRF-38535, this parameter does not apply.
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| SN54AHC257 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS WITH 3-STATE OUTPUTS |
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