參數(shù)資料
型號： SN74LV125ATNS
廠商： TEXAS INSTRUMENTS INC
元件分類： 總線收發(fā)器
英文描述： LV/LV-A/LVX/H SERIES, 4-BIT DRIVER, TRUE OUTPUT, PDSO14
封裝： GREEN, PLASTIC, SOP-14
文件頁數(shù)： 13/19頁
文件大小： 721K
代理商： SN74LV125ATNS
www.ti.com
Recommended Operating Conditions
(1)
Electrical Characteristics
Switching Characteristics
SN74LV125AT
QUADRUPLE BUS BUFFER GATE
WITH 3-STATE OUTPUTS
SCES629A – MAY 2005 – REVISED AUGUST 2005
MIN
MAX
UNIT
VCC
Supply voltage
4.5
5.5
V
VIH
High-level input voltage
VCC = 4.5 V to 5.5 V
2
V
VIL
Low-level input voltage
VCC = 4.5 V to 5.5 V
0.8
V
VI
Input voltage
0
5.5
V
High or low state
0
VCC
VO
Output voltage
V
3-state
0
5.5
IOH
High-level output current
VCC = 4.5 V to 5.5 V
–16
mA
IOL
Low-level output current
VCC = 4.5 V to 5.5 V
16
mA
t/v
Input transition rise or fall rate
VCC = 4.5 V to 5.5 V
20
ns/V
TA
Operating free-air temperature
–40
125
°C
(1)
All unused inputs of the device must be held at VCC or GND to ensure proper device operation. Refer to the TI application report,
Implications of Slow or Floating CMOS Inputs, literature number SCBA004.
over recommended operating free-air temperature range (unless otherwise noted)
TA = –40°C
TA = 25°C
to 85
°C
to 125
°C
PARAMETER
TEST CONDITIONS
VCC
UNIT
MIN
TYP
MAX
MIN
MAX
MIN
MAX
IOH = –50 A
4.5 V
4.4
4.5
4.4
VOH
V
IOH = –16 mA
4.5 V
3.8
IOL = 50 A
4.5 V
0
0.1
VOL
V
IOL = 16 mA
4.5 V
0.55
II
VI = 5.5 V or GND
0 to 5.5 V
±0.1
±1
A
IOZ
VO = VCC or GND
5.5 V
±0.25
±2.5
A
ICC
VI = VCC or GND, IO = 0
5.5 V
2
20
A
One input at 3.4 V,
I
CC
(1)
5.5 V
1.35
1.5
mA
Other inputs at VCC or GND
Ioff
VI or VO = 0 to 5.5 V
0
0.5
5
A
Ci
VI = VCC or GND
2
pF
(1)
This is the increase in supply current for each input at one of the specified TTL voltage levels, rather than 0 V or VCC.
over recommended operating free-air temperature range, V
CC = 5 V ± 0.5 V (unless otherwise noted) (see Figure 1)
TA = –40°C
TA = 25°C
FROM
TO
LOAD
to 85
°C
to 125
°C
PARAMETER
UNIT
(INPUT)
(OUTPUT)
CAPACITANCE
MIN
TYP
MAX
MIN
MAX
MIN
MAX
tpd
A
Y
CL = 15 pF
1.9
3.8
5.5
1
6.5
1
8.5
ns
ten
OE
Y
CL = 15 pF
2
3.6
5.1
1
6
1
7.5
ns
tdis
OE
Y
CL = 15 pF
1.5
3.2
6.8
1
8
1
10
ns
tpd
A
Y
CL = 50 pF
2.9
5.3
7.5
1
8.5
1
10.5
ns
ten
OE
Y
CL = 50 pF
2.8
5.1
7.1
1
8
1
9.5
ns
tdis
OE
Y
CL = 50 pF
2.8
6.1
8.8
1
10
1
10
ns
tsk(o)
CL = 50 pF
1
ns
3
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