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參數(shù)資料
| 型號： | 74AC11245PW |
| 廠商： | Texas Instruments, Inc. |
| 元件分類： | 通用總線功能 |
| 英文描述： | OCTAL BUS TRANSCEIVER WITH 3-STATE OUTPUTS |
| 中文描述： | 八路總線收發(fā)器具有三態(tài)輸出 |
| 文件頁數(shù)： | 4/6頁 |
| 文件大?。?/td> | 109K |
| 代理商： | 74AC11245PW |
74AC11245
OCTAL BUS TRANSCEIVER
WITH 3-STATE OUTPUTS
SCAS010B – JULY 1987 – REVISED APRIL 1996
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
2.9
MAX
3 V
2.9
IOH = –50 A
4.5 V
4.4
4.4
5.5 V
5.4
5.4
VOH
IOH = –4 mA
3 V
2.58
2.48
V
IOH= 24 mA
IOH = –24 mA
4.5 V
3.94
3.8
5.5 V
4.94
4.8
IOH = –75 mA
5.5 V
3.85
3 V
0.1
0.1
IOL = 50 A
4.5 V
0.1
0.1
5.5 V
0.1
0.1
VOL
IOL = 12 mA
3 V
0.36
0.44
V
IOL= 24 mA
IOL = 24 mA
4.5 V
0.36
0.44
5.5 V
0.36
0.44
IOL = 75 mA
5.5 V
1.65
±
5
±
1
80
II
A or B ports
VO= VCCor GND
VO = VCC or GND
5 5 V
5.5 V
±
0.5
±
0.1
A
OE or DIR
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.
VI = VCC or GND,
VI = VCC or GND
VO = VCC or GND
IO = 0
5.5 V
8
A
5 V
4
pF
5 V
12
pF
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
TA = 25
°
C
TYP
MIN
MAX
UNIT
(OUTPUT)
MIN
1.5
MAX
11.2
tPLH
tPHL
tPZH
tPZL
tPHZ
tPLZ
A or B
B or A
6.5
1.5
12.5
ns
1.5
5.7
8.5
1.5
9.7
OE
B or A
1.5
8.6
14.2
1.5
15.9
ns
1.5
8.2
11.5
1.5
12.7
OE
B or A
1.5
1.5
7.7
8.5
10.5
12
1.5
1.5
11.3
13
ns
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
TA = 25
°
C
TYP
MIN
MAX
UNIT
(OUTPUT)
MIN
1.5
MAX
8.5
tPLH
tPHL
tPZH
tPZL
tPHZ
tPLZ
A or B
B or A
4.8
1.5
9.5
ns
1.5
4.1
6.3
1.5
6.9
OE
B or A
1.5
6.2
10.2
1.5
11.4
ns
1.5
5.9
8.6
1.5
9.5
OE
B or A
1.5
1.5
6.4
8.8
9.6
1.5
1.5
9.5
10.4
ns
7
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