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CD74FCT240 bảng dữ liệu(PDF) 3 Page - Texas Instruments

tên linh kiện CD74FCT240
Giải thích chi tiết về linh kiện  BiCMOS OCTAL BUFFER/LINE DRIVER WITH 3-STATE OUTPUTS
PDF  12 Pages
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CD74FCT240 bảng dữ liệu(HTML) 3 Page - Texas Instruments

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CD74FCT240
BiCMOS OCTAL BUFFER/LINE DRIVER
WITH 3-STATE OUTPUTS
SCBS729 − JULY 2000
3
POST OFFICE BOX 655303
• DALLAS, TEXAS 75265
recommended operating conditions (see Note 2)
MIN
MAX
UNIT
VCC
Supply voltage
4.75
5.25
V
VIH
High-level input voltage
2
V
VIL
Low-level input voltage
0.8
V
VI
Input voltage
0
VCC
V
VO
Output voltage
0
VCC
V
IOH
High-level output current
−15
mA
IOL
Low-level output current
64
mA
Δt/Δv
Input transition rise or fall rate (slew rate)
0
10
ns/V
TA
Operating free-air temperature
0
70
°C
NOTE 2: 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.
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
V
TA = 25°C
MIN
MAX
UNIT
PARAMETER
TEST CONDITIONS
VCC
MIN
MAX
MIN
MAX
UNIT
VIK
II = −18 mA
4.75 V
−1.2
−1.2
V
VOH
IOH = −15 mA
4.75 V
2.4
2.4
V
VOL
IOL = 64 mA
4.75 V
0.55
0.55
V
II
VI = VCC or GND
5.25 V
±0.1
±1
mA
IOZ
VO = VCC or GND
5.25 V
±0.5
±10
mA
IOS†
VI = VCC or GND,
VO = 0
5.25 V
−60
−60
mA
ICC
VI = VCC or GND,
IO = 0
5.25 V
8
80
mA
ΔICC‡
One input at 3.4 V,
Other inputs at VCC or GND
5.25 V
1.6
1.6
mA
Ci
VI = VCC or GND
10
10
pF
Co
VO = VCC or GND
15
15
pF
† Not more than one output should be tested at a time, and the duration of the test should not exceed 100 ms.
‡ This is the increase in supply current for each input at one of the specified TTL voltage levels rather than 0 V or VCC.
switching
characteristics
over
recommended
operating
free-air
temperature
range,
VCC = 5 V ± 0.25 V (unless otherwise noted) (see Figure 1)
PARAMETER
FROM
TO
TA = 25°C
MIN
MAX
UNIT
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
TYP
MIN
MAX
UNIT
tpd
A
Y
5
1.5
8
ns
ten
OE
Y
7
1.5
10
ns
tdis
OE
Y
6
1.5
9.5
ns
noise characteristics, VCC = 5 V, CL = 50 pF, TA = 25°C
PARAMETER
MIN
TYP
MAX
UNIT
VOL(P)
Quiet output, maximum dynamic VOL
1
V
VOH(V)
Quiet output, minimum dynamic VOH
0.5
V
VIH(D)
High-level dynamic input voltage
2
V
VIL(D)
Low-level dynamic input voltage
0.8
V



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