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參數(shù)資料
| 型號： | SN54AHCT245J |
| 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)： | 4/19頁 |
| 文件大小： | 739K |
| 代理商： | SN54AHCT245J |
SCLS233N OCTOBER 1995 REVISED MARCH 2005
4
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
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
4.5**
SN54AHCT245
MIN
1**
SN74AHCT245
MIN
1
UNIT
(OUTPUT)
CAPACITANCE
MIN
MAX
7.7**
MAX
10**
MAX
8.5
tPLH
tPHL
tPZH
tPZL
tPHZ
tPLZ
tPLH
tPHL
tPZH
tPZL
tPHZ
tPLZ
tsk(o)
A or B
B or A
CL = 15 pF
ns
4.5**
7.7**
1**
10**
1
8.5
OE
A or B
CL = 15 pF
8.9**
13.8**
1**
16**
1
15
ns
8.9**
13.8**
1**
16**
1
15
OE
A or B
CL = 15 pF
9.2**
9.2**
14.4**
14.4**
1**
1**
16.5**
16.5**
1
1
15.5
15.5
ns
A or B
B or A
CL = 50 pF
5.3
8.7
1
11
1
9.5
ns
5.3
8.7
1
11
1
9.5
OE
A or B
CL = 50 pF
9.7
14.8
1
17
1
16
ns
9.7
14.8
1
17
1
16
OE
A or B
CL = 50 pF
10
15.4
1
17.5
1
16.5
ns
10
15.4
1
17.5
1
16.5
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.
noise characteristics, V
CC
= 5 V, C
L
= 50 pF, T
A
= 25
°
C (see Note 5)
PARAMETER
SN74AHCT245
MIN
TYP
UNIT
MAX
VOH(V)
VIH(D)
VIL(D)
NOTE 5: Characteristics are for surface-mount packages only.
Quiet output, minimum dynamic VOH
High-level dynamic input voltage
4
V
2
V
Low-level dynamic input voltage
0.8
V
operating characteristics, V
CC
= 5 V, T
A
= 25
°
C
PARAMETER
TEST CONDITIONS
TYP
UNIT
Cpd
Power dissipation capacitance
No load,
f = 1 MHz
13
pF
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| SN54AHCT245W | 制造商:TI 制造商全稱:Texas Instruments 功能描述:OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS |
| SN54AHCT257 | 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 |
| SN54AHCT257FK | 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 |
| SN54AHCT257J | 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 |
| SN54AHCT257W | 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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