參數(shù)資料
型號： SN74BCT2245DWR
廠商： TEXAS INSTRUMENTS INC
元件分類： 總線收發(fā)器
英文描述： BCT/FBT SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, PDSO20
封裝： GREEN, PLASTIC, SOIC-20
文件頁數(shù)： 10/15頁
文件大小： 531K
代理商： SN74BCT2245DWR
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
POST OFFICE BOX 1443
HOUSTON, TEXAS 772511443
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
1.2
V
A port
V
45V
IOH = 1 mA
2.5
3.4
V
A port
VCC = 4.5 V
IOH = 3 mA
2.4
3.3
V
VOH
B port
V
45V
IOH = 1 mA
2.4
3.3
V
B port
VCC = 4.5 V
IOH = 12 mA
2
3.2
A port
VCC = 4.5 V,
IOL = 24 mA
0.35
0.5
VOL
B port
V
45V
IOL = 1 mA
0.5
V
VOL
B port
VCC = 4.5 V
IOL = 12 mA
0.8
V
II
VCC = 5.5 V,
VI = 5.5 V
0.1
mA
I
A or B port
V
55V
V
27V
70
A
IIH
Control input
VCC = 5.5 V,
VI = 2.7 V
20
μA
IIL
VCC = 5.5 V,
VI = 0.5 V
0.65
mA
I
§
A port
V
55V
V
0
60
150
mA
IOS§
B port
VCC = 5.5 V,
VO = 0
100
225
mA
I
A to B
V
55V
Outputs open
63
100
mA
ICCL
B to A
VCC = 5.5 V,
Outputs open
40
64
mA
I
A to B
V
55V
Outputs open
37
59
mA
ICCH
B to A
VCC = 5.5 V,
Outputs open
29
46
mA
I
A to B
V
55V
Outputs open
9
15
mA
ICCZ
B to A
VCC = 5.5 V,
Outputs open
8
14
mA
Ci
Control input
VCC = 5 V,
VI = 2.5 V or 0.5 V
7
pF
C
A to B
V
=5V
V =25Vor05V
9
pF
Cio
B to A
VCC = 5 V,
VO = 2.5 V or 0.5 V
12
pF
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, CL = 50 pF (unless otherwise noted) (see Figure 1)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
VCC = 5 V,
TA = 25°C
MIN
MAX
UNIT
PARAMETER
(INPUT)
(OUTPUT)
MIN
TYP
MAX
MIN
MAX
UNIT
t
A
B
1
3.3
4.9
1
5.8
ns
tPLH
B
A
1.7
4.2
6.1
1.7
7
ns
t
A
B
2.5
5.1
6.9
2.5
7.8
ns
tPHL
B
A
2.2
4.7
7.1
2.2
7.7
ns
t
OE
B
3.2
6.2
8.6
3.2
9.9
ns
tPZH
OE
A
3.8
7.2
9.5
3.8
11.1
ns
t
OE
B
5.6
8.3
10.9
5.6
12.2
ns
tPZL
OE
A
4.2
7.6
10.1
4.2
11.4
ns
t
OE
B
2.6
5.2
7.1
2.6
8.2
ns
tPHZ
OE
A
3.1
5.7
8
3.1
9.4
ns
t
OE
B
3.5
6
7.9
3.5
9.2
ns
tPLZ
OE
A
2.3
4.7
6.5
2.3
7.6
ns
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SN74BCT2245N 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(shí)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
SN74BCT2245NE4 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(shí)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
SN74BCT2245NS 制造商:Rochester Electronics LLC 功能描述: 制造商:Texas Instruments 功能描述:
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