參數(shù)資料
型號(hào): SN74LVC245AIPWREP
廠(chǎng)商: TEXAS INSTRUMENTS INC
元件分類(lèi): 總線(xiàn)收發(fā)器
英文描述: LVC/LCX/Z SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, PDSO20
封裝: GREEN, PLASTIC, TSSOP-20
文件頁(yè)數(shù): 7/12頁(yè)
文件大?。?/td> 294K
代理商: SN74LVC245AIPWREP
www.ti.com
Electrical Characteristics
Switching Characteristics
SN74LVC245A-EP
OCTAL BUS TRANSCEIVER
WITH 3-STATE OUTPUTS
SCAS741B – DECEMBER 2003 – REVISED AUGUST 2005
over recommended operating free-air temperature range (unless otherwise noted)
TA = 25°C
–40
°C to 85°C
PARAMETER
TEST CONDITIONS
VCC
UNIT
MIN
TYP
MAX
MIN
MAX
IOH = –100 A
1.65 V to 3.6 V
VCC – 0.2
IOH = –4 mA
1.65 V
1.29
1.2
IOH = –8 mA
2.3 V
1.9
1.7
VOH
V
2.7 V
2.2
IOH = –12 mA
3 V
2.4
IOH = –24 mA
3 V
2.3
2.2
IOL = 100 A
1.65 V to 3.6 V
0.1
0.2
IOL = 4 mA
1.65 V
0.24
0.45
VOL
IOL = 8 mA
2.3 V
0.3
0.7
V
IOL = 12 mA
2.7 V
0.4
IOL = 24 mA
3 V
0.55
II
Control inputs
VI = 0 to 5.5 V
3.6 V
±1
±5
A
Ioff
VI or VO = 5.5 V
0
±1
±10
A
IOZ(1)
VO = 0 to 5.5 V
3.6 V
±1
±10
A
VI = VCC or GND
1
10
ICC
IO = 0
3.6 V
A
3.6 V
≤ V
I ≤ 5.5 V
(2)
1
10
One input at VCC – 0.6 V,
I
CC
2.7 V to 3.6 V
500
A
Other inputs at VCC or GND
Ci
Control inputs
VI = VCC or GND
3.3 V
4
pF
Cio
A or B port
VI = VCC or GND
3.3 V
5.5
pF
(1)
For I/O ports, the parameter IOZ includes the input leakage current.
(2)
This applies in the disabled state only.
over recommended operating free-air temperature range (unless otherwise noted) (see Figure 1)
TA = 25°C
–40
°C to 85°C
FROM
TO
PARAMETER
VCC
UNIT
(INPUT)
(OUTPUT)
MIN
TYP
MAX
MIN
MAX
1.8 V
± 0.15 V
1
6
12.2
1
12.7
2.5 V
± 0.2 V
1
3.9
7.8
1
8.3
tpd
A or B
B or A
ns
2.7 V
1
4.2
7.1
1
7.3
3.3 V
± 0.3 V
1.5
3.8
6.1
1.5
6.3
1.8 V
± 0.15 V
1
7
14.8
1
15.3
2.5 V
± 0.2 V
1
4.5
10
1
10.5
ten
OE
A or B
ns
2.7 V
1
5.4
9.3
1
9.5
3.3 V
± 0.3 V
1.5
4.4
8.3
1.5
8.5
1.8 V
± 0.15 V
1
7.8
16.5
1
17
2.5 V
± 0.2 V
1
4
9
1
9.5
tdis
OE
A or B
ns
2.7 V
1
4.4
8.3
1
8.5
3.3 V
± 0.3 V
1.7
4.1
7.3
1.7
7.5
tsk(o)
3.3 V
± 0.3 V
1
ns
4
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