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參數(shù)資料
| 型號： | SN74BCT2245DBRE4 |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | OCTAL TRANSCEIVER AND LINE/MOS DRIVER WITH 3-STATE OUTPUTS |
| 中文描述： | 八路收發(fā)器和線/馬鞍山驅(qū)動器，三態(tài)輸出 |
| 文件頁數(shù)： | 4/11頁 |
| 文件大?。?/td> | 341K |
| 代理商： | SN74BCT2245DBRE4 |
SN74BCT2245
OCTAL TRANSCEIVER AND LINE/MOS DRIVER
WITH 3-STATE OUTPUTS
SCBS102C
–
FEBRUARY 1992
–
REVISED MARCH 2003
4
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VIK
VCC = 4.5 V,
II =
–
18 mA
IOH =
–
1 mA
IOH =
–
3 mA
IOH =
–
1 mA
IOH =
–
12 mA
IOL = 24 mA
IOL = 1 mA
IOL = 12 mA
VI = 5.5 V
–
1.2
V
A port
VCC= 4 5 V
VCC = 4.5 V
2.5
3.4
VOH
2.4
3.3
V
B port
VCC= 4 5 V
VCC = 4.5 V
2.4
3.3
2
3.2
A port
VCC = 4.5 V,
0.35
0.5
VOL
B port
VCC= 4 5 V
VCC = 4.5 V
0.5
V
0.8
II
VCC = 5.5 V,
0.1
mA
IIH
A or B port
VCC= 5 5 V
VCC = 5.5 V,
VI= 2 7 V
VI = 2.7 V
70
μ
A
Control input
20
IIL
VCC = 5.5 V,
VI = 0.5 V
–
0.65
mA
IOS
§
A port
VCC= 5 5 V
VCC = 5.5 V,
VO= 0
VO = 0
–
60
–
150
mA
B port
–
100
–
225
ICCL
A to B
VCC= 5 5 V
VCC = 5.5 V,
Outputs open
63
100
mA
B to A
40
64
ICCH
A to B
VCC= 5 5 V
VCC = 5.5 V,
Outputs open
37
59
mA
B to A
29
46
ICCZ
A to B
VCC= 5 5 V
VCC = 5.5 V,
Outputs open
9
15
mA
B to A
8
14
Ci
Control input
VCC = 5 V,
VI = 2.5 V or 0.5 V
7
pF
Cio
A to B
B to A
VCC= 5 V
VCC = 5 V,
VO= 2 5 V or 0 5 V
VO = 2.5 V or 0.5 V
9
pF
12
All typical values are at VCC = 5 V, TA = 25
°
C.
For I/O ports, the parameters IIH and IIL include the off-state output current.
§
Not more than one output should be tested at a time, and the duration of the test should not exceed one second.
switching characteristics over recommended ranges of supply voltage and operating free-air
temperature, C
L
= 50 pF (unless otherwise noted) (see Figure 1)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
VCC = 5 V,
TA = 25
°
C
MIN
1
MIN
MAX
UNIT
TYP
3.3
MAX
4.9
tPLH
A
B
1
5.8
ns
B
A
1.7
4.2
6.1
1.7
7
tPHL
A
B
2.5
5.1
6.9
2.5
7.8
ns
B
A
2.2
4.7
7.1
2.2
7.7
tPZH
OE
B
3.2
6.2
8.6
3.2
9.9
ns
A
3.8
7.2
9.5
3.8
11.1
tPZL
OE
B
5.6
8.3
10.9
5.6
12.2
ns
A
4.2
7.6
10.1
4.2
11.4
tPHZ
OE
B
2.6
5.2
7.1
2.6
8.2
ns
A
3.1
5.7
8
3.1
9.4
tPLZ
OE
B
A
3.5
2.3
6
7.9
6.5
3.5
2.3
9.2
7.6
ns
4.7
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| SN74BCT2245DBRG4 | 功能描述:總線收發(fā)器 Octal Bus Trnsceivr RoHS:否 制造商:Fairchild Semiconductor 邏輯類型:CMOS 邏輯系列:74VCX 每芯片的通道數(shù)量:16 輸入電平:CMOS 輸出電平:CMOS 輸出類型:3-State 高電平輸出電流:- 24 mA 低電平輸出電流:24 mA 傳播延遲時間:6.2 ns 電源電壓-最大:2.7 V, 3.6 V 電源電壓-最小:1.65 V, 2.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-48 封裝:Reel |
| SN74BCT2245DW | 功能描述:總線收發(fā)器 Octal Bus Xcvr RoHS:否 制造商:Fairchild Semiconductor 邏輯類型:CMOS 邏輯系列:74VCX 每芯片的通道數(shù)量:16 輸入電平:CMOS 輸出電平:CMOS 輸出類型:3-State 高電平輸出電流:- 24 mA 低電平輸出電流:24 mA 傳播延遲時間:6.2 ns 電源電壓-最大:2.7 V, 3.6 V 電源電壓-最小:1.65 V, 2.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-48 封裝:Reel |
| SN74BCT2245DWE4 | 功能描述:總線收發(fā)器 Octal Bus Xcvr RoHS:否 制造商:Fairchild Semiconductor 邏輯類型:CMOS 邏輯系列:74VCX 每芯片的通道數(shù)量:16 輸入電平:CMOS 輸出電平:CMOS 輸出類型:3-State 高電平輸出電流:- 24 mA 低電平輸出電流:24 mA 傳播延遲時間:6.2 ns 電源電壓-最大:2.7 V, 3.6 V 電源電壓-最小:1.65 V, 2.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-48 封裝:Reel |
| SN74BCT2245DWG4 | 功能描述:總線收發(fā)器 Octal Bus Trnsceivr RoHS:否 制造商:Fairchild Semiconductor 邏輯類型:CMOS 邏輯系列:74VCX 每芯片的通道數(shù)量:16 輸入電平:CMOS 輸出電平:CMOS 輸出類型:3-State 高電平輸出電流:- 24 mA 低電平輸出電流:24 mA 傳播延遲時間:6.2 ns 電源電壓-最大:2.7 V, 3.6 V 電源電壓-最小:1.65 V, 2.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-48 封裝:Reel |
| SN74BCT2245DWR | 功能描述:總線收發(fā)器 Octal Bus Xcvr RoHS:否 制造商:Fairchild Semiconductor 邏輯類型:CMOS 邏輯系列:74VCX 每芯片的通道數(shù)量:16 輸入電平:CMOS 輸出電平:CMOS 輸出類型:3-State 高電平輸出電流:- 24 mA 低電平輸出電流:24 mA 傳播延遲時間:6.2 ns 電源電壓-最大:2.7 V, 3.6 V 電源電壓-最小:1.65 V, 2.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-48 封裝:Reel |
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