參數(shù)資料
型號(hào)： SN74LVC4245ADWG4
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, SOIC-24
文件頁數(shù)： 10/15頁
文件大小： 383K
代理商： SN74LVC4245ADWG4
www.ti.com
Electrical Characteristics
(1)
Electrical Characteristics
(1)
SN74LVC4245A
OCTAL BUS TRANSCEIVER AND 3.3-V TO 5-V SHIFTER
WITH 3-STATE OUTPUTS
SCAS375H – MARCH 1994 – REVISED MARCH 2005
over recommended operating free-air temperature range for V
CCA = 4.5 V to 5.5 V (unless otherwise noted)
PARAMETER
TEST CONDITIONS
VCCA
MIN TYP(2)
MAX
UNIT
4.5 V
4.3
IOH = –100 A
5.5 V
5.3
VOH
V
4.5 V
3.7
IOH = –24 mA
5.5 V
4.7
4.5 V
0.2
IOL = 100 A
5.5 V
0.2
VOL
V
4.5 V
0.55
IOL = 24 mA
5.5 V
0.55
II
Control inputs
VI = VCCA or GND
5.5 V
±1
A
IOZ(3)
A port
VO = VCCA or GND
5.5 V
±5
A
ICCA
VI = VCCA or GND,
IO = 0
5.5 V
80
A
I
CCA
(4)
One input at 3.4 V,
Other inputs at VCCA or GND
5.5 V
1.5
mA
Ci
Control inputs
VI = VCCA or GND
Open
5
pF
Cio
A port
VO = VCCA or GND
5 V
11
pF
(1)
VCCB = 2.7 V to 3.6 V
(2)
All typical values are measured at VCC = 5 V, TA = 25°C.
(3)
For I/O ports, the parameter IOZ includes the input leakage current.
(4)
This is the increase in supply current for each input that is at one of the specified TTL voltage levels, rather than 0 V or the associated
VCC.
over recommended operating free-air temperature range for V
CCB = 2.7 V to 3.6 V (unless otherwise noted)
PARAMETER
TEST CONDITIONS
VCCB
MIN TYP(2)
MAX
UNIT
IOH = –100 A
2.7 V to 3.6 V VCC – 0.2
2.7 V
2.2
VOH
IOH = –12 mA
V
3 V
2.4
IOH = –24 mA
3 V
2
IOL = 100 A
2.7 V to 3.6 V
0.2
VOL
IOL = 12 mA
2.7 V
0.4
V
IOL = 24 mA
3 V
0.55
IOZ(3)
B port
VO = VCCB or GND
3.6 V
±5
A
ICCB
VI = VCCB or GND,
IO = 0
3.6 V
50
A
I
CCB
(4)
One input at VCCB – 0.6 V,
Other inputs at VCCB or GND
2.7 V to 3.6 V
0.5
mA
Cio
B port
VO = VCCB or GND
3.3 V
11
pF
(1)
VCCA = 5 V ± 0.5 V
(2)
All typical values are measured at VCC = 3.3 V, TA = 25°C.
(3)
For I/O ports, the parameter IOZ includes the input leakage current.
(4)
This is the increase in supply current for each input that is at one of the specified TTL voltage levels, rather than 0 V or the associated
VCC.
4
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