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參數(shù)資料
| 型號： | 74LV161 |
| 廠商： | NXP Semiconductors N.V. |
| 元件分類： | 通用總線功能 |
| 英文描述： | Presettable synchronous 4-bit binary counter; asynchronous reset |
| 中文描述： | 可預(yù)置同步4位二進(jìn)制計數(shù)器;異步復(fù)位 |
| 文件頁數(shù)： | 4/16頁 |
| 文件大小： | 148K |
| 代理商： | 74LV161 |
Philips Semiconductors
Presettable synchronous 4-bit binary counter;
asynchronous reset
Product specification
74LV161
1997 May 15
4
FUNCTION TABLE
OPERATING MODES
INPUTS
OUTPUTS
MR
CP
CEP
CET
PE
D
n
X
Q
n
L
TC
Reset (clear)
L
X
X
X
X
L
Parallel load
H
↑
↑
↑
X
X
I
I
L
L
H
X
X
I
h
H
*
Count
H
h
h
h
X
Count
*
Hold (do nothing)
H
X
I
X
h
X
q
n
q
n
*
H
X
X
I
h
X
L
NOTES:
*
=
H =
h
=
L
=
I
=
q
=
X =
↑
=
The TC output is HIGH when CET is HIGH and the counter is at terminal count (HHHH)
HIGH voltage level
HIGH voltage level one set-up time prior to the LOW-to-HIGH clock transition
LOW voltage level
LOW voltage level level one set-up time prior to the LOW-to-HIGH clock transition
lower case letters indicate the state of the referenced output one set-up time prior to the LOW-to-HIGH clock transition
don’t care
LOW-to-HIGH clock transition
STATE DIAGRAM
SV00573
0
1
2
3
4
5
6
7
8
9
10
11
12
15
14
13
TYPICAL TIMING SEQUENCE
SV00574
MR
PE
D0
D1
D2
D3
CP
CEP
CET
Q0
Q1
Q2
Q3
TC
reset
preset
count
inhibit
13
14
15
0
1
2
12
Typical timing sequence: reset outputs to zero; preset to binary twelve;
count to thirteen, fourteen, fifteen, zero, on and two; inhibit.
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相關(guān)代理商/技術(shù)參數(shù) |
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| 74LV161284DGGRE4 | 功能描述:接口 - 專用 19-Bit Bus Interface RoHS:否 制造商:Texas Instruments 產(chǎn)品類型:1080p60 Image Sensor Receiver 工作電源電壓:1.8 V 電源電流:89 mA 最大功率耗散: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:BGA-59 |
| 74LV161284DGGRG4 | 功能描述:接口 - 專用 19B Bus Interface RoHS:否 制造商:Texas Instruments 產(chǎn)品類型:1080p60 Image Sensor Receiver 工作電源電壓:1.8 V 電源電流:89 mA 最大功率耗散: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:BGA-59 |
| 74LV161D | 制造商:NXP Semiconductors 功能描述: |
| 74LV161DB | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Presettable synchronous 4-bit binary counter; asynchronous reset |
| 74LV161DB-T | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Synchronous Up Counter |
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