參數(shù)資料
型號： 74LVC161PWDH
廠商： NXP SEMICONDUCTORS
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： LVC/LCX/Z SERIES, SYN POSITIVE EDGE TRIGGERED 4-BIT UP BINARY COUNTER, PDSO16
封裝： PLASTIC, SOT403-1, TSSOP-16
文件頁數(shù)： 4/14頁
文件大?。?/td> 118K
代理商： 74LVC161PWDH
Philips Semiconductors
Product specification
74LVC161
Presettable synchronous 4-bit binary counter;
asynchronous reset
1998 May 20
4
FUNCTIONAL DIAGRAM
PARALLEL LOAD
CIRCUITRY
BINARY
COUNTER
3
4
5
6
TC 15
14
13
12
11
Q
0
Q
1
Q
2
Q
3
1
MR
2
CP
7
D
0
D
1
D
2
D
3
CEP
CET
10
PE
9
SY00068
STATE DIAGRAM
8
7
6
5
4
12
11
10
9
13
14
15
0
1
2
3
SF00664
FUNCTION TABLE
OPERATING
MODES
INPUTS
OUTPUTS
MR
CP
CEP
CET
PE
Dn
Qn
TC
Reset (clear)
L
X
X
X
X
X
L
L
Parallel load
H
H
↑
↑
X
X
X
X
l
l
l
L
H
L
*
h
Count
H
↑
h
h
h
X
count
*
Hold
H
H
X
X
l
X
l
h
h
X
X
q
n
q
n
*
L
(do nothing)
NOTES:
*
=
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 setup time prior to the Low-to-High
clock transition
Low voltage level
Low voltage level one setup time prior to the Low-to-High
clock transition
Lower case letters indicate the state of the referenced
output one setup time prior to the Low-to-High clock
transition
Don’t care
Low-to-High clock transition
H
h
=
=
L
l
=
=
q
=
X
↑
=
=
TYPICAL TIMING SEQUENCE
CP
PE
TC
MR
INHIBIT
COUNT
CEP
CET
D0
D2
D1
D3
Q0
Q2
Q1
Q3
RESET PRESET
12
13
14
15
0
1
2
SY00069
Typical timing sequence: reset outputs to zero; preset to binary
twelve; count to thirteen, fourteen, fifteen, zero, one, and two;
inhibit
相關(guān)PDF資料
PDF描述
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
74LVC161PW-T 功能描述:計(jì)數(shù)器 IC 3.3V SYNC 4-BIT BIN COUNTER RoHS:否 制造商:NXP Semiconductors 計(jì)數(shù)器類型:Binary Counters 邏輯系列:74LV 位數(shù):10 計(jì)數(shù)法: 計(jì)數(shù)順序: 工作電源電壓:1 V to 5.5 V 工作溫度范圍:- 40 C to + 125 C 封裝 / 箱體:SOT-109 封裝:Reel
74LVC162244 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:16-bit buffer/line driver; with 30ohm series termination resistors, 5V input/output tolerant 3-State
74LVC162244A 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:16-bit buffer/line driver; with 30ohm series termination resistors, 5V input/output tolerant 3-State
74LVC162244ADG 功能描述:緩沖器和線路驅(qū)動器 3.3V 16-BIT DRVR 3-S W/30OHM RoHS:否 制造商:Micrel 輸入線路數(shù)量:1 輸出線路數(shù)量:2 極性:Non-Inverting 電源電壓-最大:+/- 5.5 V 電源電壓-最小:+/- 2.37 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Reel
74LVC162244ADGG 制造商:PHILIPS-SEMI 功能描述: 制造商:NXP Semiconductors 功能描述:Buffer/Line Driver 16-CH Non-Inverting 3-ST CMOS 48-Pin TSSOP Tube
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