参数资料
型号: SN74LV240DBR
厂商: TEXAS INSTRUMENTS INC
元件分类: 总线收发器
英文描述: LV/LV-A/LVX/H SERIES, DUAL 4-BIT DRIVER, INVERTED OUTPUT, PDSO20
封装: PLASTIC, SSOP-20
文件页数: 3/6页
文件大小: 115K
代理商: SN74LV240DBR
SN54LV240, SN74LV240
OCTAL BUFFERS/DRIVERS
WITH 3-STATE OUTPUTS
SCLS193B – FEBRUARY 1993 – REVISED APRIL 1996
3
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
recommended operating conditions (see Note 4)
SN54LV240
SN74LV240
UNIT
MIN
MAX
MIN
MAX
UNIT
VCC
Supply voltage
2.7
5.5
2.7
5.5
V
VIH
High level input voltage
VCC = 2.7 V to 3.6 V
2
V
VIH
High-level input voltage
VCC = 4.5 V to 5.5 V
3.15
V
VIL
Low level input voltage
VCC = 2.7 V to 3.6 V
0.8
V
VIL
Low-level input voltage
VCC = 2.7 V to 3.6 V
1.65
V
VI
Input voltage
0
VCC
0
VCC
V
VO
Output voltage
0
VCC
0
VCC
V
IOH
High level output current
VCC = 2.7 V to 3.6 V
–8
mA
IOH
High-level output current
VCC = 4.5 V to 5.5 V
–16
mA
IOL
Low level output current
VCC = 2.7 V to 3.6 V
8
mA
IOL
Low-level output current
VCC = 4.5 V to 5.5 V
16
mA
t/v
Input transition rise or fall rate
0
100
0
100
ns / V
TA
Operating free-air temperature
–55
125
–40
85
°C
NOTE 4: Unused inputs must be held high or low to prevent them from floating.
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
V
SN54LV240
SN74LV240
UNIT
PARAMETER
TEST CONDITIONS
VCC
MIN
TYP
MAX
MIN
TYP
MAX
UNIT
IOH = – 100 A
MIN to MAX
VCC – 0.2
VOH
IOH = – 8 mA
3 V
2.4
V
IOH = – 16 mA
4.5 V
3.6
IOL = 100 A
MIN to MAX
0.2
VOL
IOL = 8 mA
3 V
0.4
V
IOL = 16 mA
4.5 V
0.55
II
VI =VCC or GND
3.6 V
±1
A
II
VI = VCC or GND
5.5 V
±1
A
IOZ
VO =VCC or GND
3.6 V
±5
A
IOZ
VO = VCC or GND
5.5 V
±5
A
ICC
VI =VCC or GND
IO =0
3.6 V
20
A
ICC
VI = VCC or GND,
IO = 0
5.5 V
20
A
nICC
One input at VCC – 0.6 V,
Other inputs at VCC or GND
3 V to 3.6 V
500
A
Ci
VI =VCC or GND
3.3 V
3
pF
Ci
VI = VCC or GND
5 V
3
pF
C
VO =VCC or GND
3.3 V
8
pF
Co
VO = VCC or GND
5 V
8
pF
For conditions shown as MIN or MAX, use the appropriate values under recommended operating conditions.
PRODUCT PREVIEW information concerns products in the formative or
design phase of development. Characteristic data and other
specifications are design goals. Texas Instruments reserves the right to
change or discontinue these products without notice.
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