參數(shù)資料
型號： SN74LVT245BDBRG4
廠商： TEXAS INSTRUMENTS INC
元件分類： 總線收發(fā)器
英文描述： LVT SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, PDSO20
封裝： GREEN, PLASTIC, SSOP-20
文件頁數(shù)： 15/20頁
文件大小： 824K
代理商： SN74LVT245BDBRG4
SN74LVT245B
3.3-V ABT OCTAL BUS TRANSCEIVER
WITH 3-STATE OUTPUTS
SCES004H JANUARY 1995 REVISED SEPTEMBER 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 = 2.7 V,
II = 18 mA
1.2
V
VCC = 2.7 V to 3.6 V,
IOH = 100 μA
VCC0.2
VOH
VCC = 2.7 V,
IOH = 8 mA
2.4
V
VOH
VCC = 3 V,
IOH = 32 mA
2
V
27V
IOL = 100 μA
0.2
VCC = 2.7 V
IOL = 24 mA
0.5
VOL
IOL = 16 mA
0.4
V
VOL
VCC = 3 V
IOL = 32 mA
0.5
V
VCC
3 V
IOL = 64 mA
0.55
Control inputs
VCC = 3.6 V,
VI = VCC or GND
±1
Control inputs
VCC = 0 or 3.6 V,
VI = 5.5 V
10
II
VI = 5.5 V
20
μA
II
A or B ports
VCC = 3.6 V
VI = VCC
1
μA
A or B ports
VCC
3.6 V
VI = 0
5
Ioff
VCC = 0,
VI or VO = 0 to 4.5 V
±100
μA
IOZH
VCC = 3.6 V,
VO = 3 V
5
μA
IOZL
VCC = 3.6 V,
VO = 0.5 V
5
μA
IOZPU
VCC = 0 to 1.5 V, VO = 0.5 V to 3 V, OE = don’t care
±100
μA
IOZPD
VCC = 1.5 V to 0, VO = 0.5 V to 3 V, OE = don’t care
±100
μA
VCC = 3.6 V,
Outputs high
0.19
ICC
VCC = 3.6 V,
IO = 0,
Outputs low
5
mA
ICC
IO
0,
VI = VCC or GND
Outputs disabled
0.19
mA
ΔICC§
VCC = 3 V to 3.6 V, One input at VCC 0.6 V,
Other inputs at VCC or GND
0.2
mA
Ci
VI = 3 V or 0
4
pF
Cio
VO = 3 V or 0
9
pF
All typical values are at VCC = 3.3 V, TA = 25°C.
Unused terminals are at VCC or GND.
§ This is the increase in supply current for each input that is at the specified TTL-voltage level, rather than VCC or GND.
switching characteristics over recommended operating free-air temperature range, CL = 50 pF
(unless otherwise noted) (see Figure 1)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
VCC = 3.3 V
± 0.3 V
VCC = 2.7 V
UNIT
PARAMETER
(INPUT)
(OUTPUT)
MIN
TYP
MAX
MIN
MAX
UNIT
tPLH
AorB
BorA
1.2
2.3
3.5
4
ns
tPHL
A or B
B or A
1.2
2.1
3.5
4
ns
tPZH
OE
AorB
1.3
3.2
5.5
7.1
ns
tPZL
OE
A or B
1.7
3.4
5.5
6.5
ns
tPHZ
OE
AorB
2.2
3.5
5.9
6.5
ns
tPLZ
OE
A or B
2.2
3.4
5
5.1
ns
All typical values are at VCC = 3.3 V, TA = 25°C.
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SN74LVT245BDW 功能描述:總線收發(fā)器 3 St 3.3V ABT Octal 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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SN74LVT245BDWG4 功能描述:總線收發(fā)器 3.3-V ABT Octal Bus Trncvr W/3-St Otpt 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
SN74LVT245BDWR 功能描述:總線收發(fā)器 3 St 3.3V ABT Octal 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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