參數(shù)資料
型號： SN74LVCH8T245DBR
廠商： TEXAS INSTRUMENTS INC
元件分類： 總線收發(fā)器
英文描述： LVC/LCX/Z SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, PDSO24
封裝： GREEN, PLASTIC, SSOP-24
文件頁數(shù)： 18/22頁
文件大?。?/td> 755K
代理商： SN74LVCH8T245DBR
www.ti.com
Electrical Characteristics
(1) (2)
8-BIT DUAL-SUPPLY BUS TRANSCEIVER
WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUTPUTS
SCES637A – AUGUST 2005 – REVISED FEBRUARY 2007
over recommended operating free-air temperature range (unless otherwise noted)
PARAMETER
TEST CONDITIONS
VCCA
VCCB
MIN
TYP
MAX
MIN
MAX
UNIT
IOH = –100 A,
VI = VIH
1.65 V to 4.5 V 1.65 V to 4.5 V
VCCO – 0.1
IOH = –4 mA,
VI = VIH
1.65 V
1.2
VOH
IOH = –8 mA,
VI = VIH
2.3 V
1.9
V
IOH = –24 mA,
VI = VIH
3 V
2.4
IOH = –32 mA,
VI = VIH
4.5 V
3.8
IOL = 100 A,
VI = VIL
1.65 V to 4.5 V 1.65 V to 4.5 V
0.1
IOL = 4 mA,
VI = VIL
1.65 V
0.45
VOL
IOL = 8 mA,
VI = VIL
2.3 V
0.3
V
IOL = 24 mA,
VI = VIL
3 V
0.55
IOL = 32 mA,
VI = VIL
4.5 V
0.55
Control
II
VI = VCCA or GND
1.65 V to 5.5 V 1.65 V to 5.5 V
±0.5
±1
±2
A
inputs
VI = 0.58 V
1.65 V
15
VI = 0.7 V
2.3 V
45
IBHL(3)
A
VI = 0.8 V
3 V
75
VI = 0.1.35 V
4.5 V
100
VI = 1.07 V
1.65 V
–15
VI = 1.7 V
2.3 V
–45
IBHH(4)
A
VI = 2 V
3 V
–75
VI = 3.15 V
4.5 V
–100
1.95 V
200
2.7 V
300
IBHLO(5)
VI = 0 to VCC
A
3.6 V
500
5.5 V
900
1.95 V
–200
2.7 V
–300
IBHHO(6)
VI = 0 to VCC
A
3.6 V
–500
5.5 V
–900
A port
0 V
0 to 5.5 V
±0.5
±1
±2
Ioff
VI or VO = 0 to 5.5 V
A
B port
0 to 5.5 V
0 V
±0.5
±1
±2
A or B
OE = VIH
1.65 V to 5.5 V 1.65 V to 5.5 V
±1
±2
port
VO = VCCO or GND,
IOZ
A
B port
VI = VCCI or GND
0 V
5.5 V
±1
±2
OE = don't
care
A port
5.5 V
0 V
±1
±2
1.65 V to 5.5 V 1.65 V to 5.5 V
20
ICCA
VI = VCCI or GND,
IO = 0
5 V
0 V
20
A
0 V
5 V
–2
1.65 V to 5.5 V 1.65 V to 5.5 V
20
ICCB
VI = VCCI or GND,
IO = 0
5 V
0 V
–2
A
0 V
5 V
20
ICCA + ICCB
VI = VCCI or GND,
IO = 0
1.65 V to 5.5 V 1.65 V to 5.5 V
30
A
(1)
VCCO is the VCC associated with the output port.
(2)
VCCI is the VCC associated with the input port.
(3)
The bus-hold circuit can sink at least the minimum low sustaining current at VIL max. IBHL should be measured after lowering VIN to GND
and then raising it to VIL max.
(4)
The bus-hold circuit can source at least the minimum high sustaining current at VIH min. IBHH should be measured after raising VIN to
VCC and then lowering it to VIH min.
(5)
An external driver must source at least IBHLO to switch this node from low to high.
(6)
An external driver must sink at least IBHHO to switch this node from high to low.
5
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SN74LVCH8T245DWR 功能描述:轉(zhuǎn)換 - 電壓電平 8B Dual Supply Bus Transceiver RoHS:否 制造商:Micrel 類型:CML/LVDS/LVPECL to LVCMOS/LVTTL 傳播延遲時間:1.9 ns 電源電流:14 mA 電源電壓-最大:3.6 V 電源電壓-最小:3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MLF-8
SN74LVCH8T245NSR 功能描述:轉(zhuǎn)換 - 電壓電平 8B Dual Supply Bus Transceiver RoHS:否 制造商:Micrel 類型:CML/LVDS/LVPECL to LVCMOS/LVTTL 傳播延遲時間:1.9 ns 電源電流:14 mA 電源電壓-最大:3.6 V 電源電壓-最小:3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MLF-8
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