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부품번호 | N74456D 기능 |
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기능 | Buffers/drivers | ||
제조업체 | Philips | ||
로고 | |||
INTEGRATED CIRCUITS
74F455*, 74F456
Buffers/drivers
* Discontinued part. Please see the Discontinued Product List.
Product specification
Supersedes data of 1990 Nov 26
IC15 Data Handbook
Philips
Semiconductors
1999 Jan 08
Philips Semiconductors
Buffers/Drivers
LOGIC DIAGRAM for 74F455
PI 3
Product specification
74F455,* 74F456
D0 4
D1 5
D2 6
D3 8
D4 9
D5 10
D6 11
D7 12
OE0 1
OE1 2
VCC = Pin 7
GND = Pin 18, 19
* Discontinued part. Please see the Discontinued Products List.
1999 Jan 08
4
23 ΣE
24 ΣO
22 Q0
21 Q1
20 Q2
17 Q3
16 Q4
15 Q5
14 Q6
13 Q7
SF00963
4페이지 Philips Semiconductors
Buffers/Drivers
Product specification
74F455,* 74F456
DC ELECTRICAL CHARACTERISTICS
(Over recommended operating free-air temperature range unless otherwise noted.)
SYMBOL
PARAMETER
TEST CONDITIONS1
LIMITS
MIN TYP2 MAX
UNIT
VOH High-level output voltage
VOL Low-level output voltage
VCC = MIN,
VIL = MAX,
VIH = MIN
VCC = MIN,
VIL = MAX,
VIH = MIN
IOH=–3mA
IOH =–15mA
IOL = MAX
±10%VCC
±5%VCC
±10%VCC
±10%VCC
±5%VCC
2.4
2.7
2.0
3.3
0.55
0.42 0.55
V
V
V
V
V
VIK Input clamp voltage
VCC = MIN, II = IIK
II Input current at maximum input voltage VCC = 0.0V, VI = 7.0V
Dn
IIH High-level input current
VCC = MAX, VI = 2.7V
Pl, OEn
–0.73
–1.2
100
40
20
V
µA
µA
µA
Dn
IIL Low-level input current
VCC = MAX, VI = 0.5V
Pl, OEn
–40 µA
–20 µA
IOZH
Off-state output current
High-level voltage applied
VCC = MAX, VO = 2.7V
50 µA
IOZL
Off-state output current
Low-level voltage applied
VCC = MAX, VO = 0.5V
–50 µA
IOS Short-circuit output current3
VCC = MAX
–100
–225
mA
ICCH
50 80
mA
ICC Supply current (total)
ICCL VCC = MAX
78 110
mA
ICCZ
63 90
mA
NOTES:
1. For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions for the applicable type.
2. All typical values are at VCC = 5V, Tamb = 25°C.
3. Not more than one output should be shorted at a time. For testing IOS, the use of high-speed test apparatus and/or sample-and-hold
techniques are preferable in order to minimize internal heating and more accurately reflect operational values. Otherwise, prolonged shorting
of a High output may raise the chip temperature well above normal and thereby cause invalid readings in other parameter tests. In any
sequence of parameter tests, IOS tests should be performed last.
AC ELECTRICAL CHARACTERISTICS
SYMBOL
PARAMETER
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
tPZH
tPZL
tPHZ
tPLZ
Propagation delay
Dn to Qn
Propagation delay
Dn to Qn
Propagation delay
Dn to SE, SO
Output Enable time
to High or Low level
Output Disable time
from High or Low level
74F455
74F456
TEST
CONDITION
Waveform 2
Waveform 1
Waveform 1, 2
Waveform 3
Waveform 4
Waveform 3
Waveform 4
LIMITS
VCC = +5V
Tamb = +25°C
CL = 50pF, RL = 500Ω
MIN TYP MAX
VCC = +5V ± 10%
Tamb = 0°C to +70°C
CL = 50pF, RL = 500Ω
MIN MAX
2.0 4.5 6.5
1.0 2.0 4.0
2.0
1.0
7.5
4.5
2.0 4.5 6.5
2.5 5.0 7.0
2.0
2.5
7.0
7.5
5.5 10.0 13.0
5.5 11.0 14.5
5.5
5.5
14.0
16.5
2.5 4.0 8.0
4.0 8.0 10.5
1.5 4.0 6.5
2.0 5.0 7.5
2.5
4.0
1.5
2.0
9.0
11.5
7.5
8.0
UNIT
ns
ns
ns
ns
ns
* Discontinued part. Please see the Discontinued Products List.
1999 Jan 08
7
7페이지 | |||
구 성 | 총 12 페이지수 | ||
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부품번호 | 상세설명 및 기능 | 제조사 |
N74456D | Buffers/drivers | Philips |
N74456N | Buffers/drivers | Philips |
DataSheet.kr | 2020 | 연락처 | 링크모음 | 검색 | 사이트맵 |