參數(shù)資料
型號(hào)： SN74HC4020D
廠商： TEXAS INSTRUMENTS INC
元件分類(lèi)： 計(jì)數(shù)器
英文描述： HC/UH SERIES, ASYN NEGATIVE EDGE TRIGGERED 14-BIT UP BINARY COUNTER, PDSO16
封裝： GREEN, PLASTIC, MS-012AC, SOIC-16
文件頁(yè)數(shù)： 15/20頁(yè)
文件大?。?/td> 794K
代理商： SN74HC4020D
SN54HC4020, SN74HC4020
14BIT ASYNCHRONOUS BINARY COUNTERS
SCLS158E DECEMBER 1982 REVISED SEPTEMBER 2003
4
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
timing requirements over recommended operating free-air temperature range (unless otherwise
noted)
VCC
TA = 25°C
SN54HC4020
SN74HC4020
UNIT
VCC
MIN
MAX
MIN
MAX
MIN
MAX
UNIT
2 V
5.5
3.7
4.3
fclock
Clock frequency
4.5 V
28
19
22
MHz
fclock
Clock frequency
6 V
33
22
25
MHz
2 V
90
135
115
CLK high or low
4.5 V
18
27
23
tw
Pulse duration
CLK high or low
6 V
15
23
20
ns
tw
Pulse duration
2 V
70
105
90
ns
CLR high
4.5 V
14
21
18
CLR high
6 V
12
18
25
2 V
60
90
75
tsu
Setup time, CLR inactive before CLK
↓
4.5 V
12
18
15
ns
tsu
Setup time, CLR inactive before CLK
↓
6 V
10
15
13
ns
switching characteristics over recommended operating free-air temperature range, CL = 50 pF
(unless otherwise noted) (see Figure 1)
PARAMETER
FROM
TO
VCC
TA = 25°C
SN54HC4020
SN74HC4020
UNIT
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
VCC
MIN
TYP
MAX
MIN
MAX
MIN
MAX
UNIT
2 V
5.5
10
3.7
4.3
fmax
4.5 V
28
45
19
22
MHz
fmax
6 V
33
53
22
25
MHz
2 V
62
150
225
190
tpd
CLK
QA
4.5 V
16
30
45
38
ns
tpd
CLK
QA
6 V
12
26
38
32
ns
2 V
63
140
210
175
tPHL
CLR
Any
4.5 V
17
28
42
35
ns
tPHL
CLR
Any
6 V
13
24
36
30
ns
2 V
28
75
110
95
tt
Any
4.5 V
8
15
22
19
ns
tt
Any
6 V
6
13
19
16
ns
operating characteristics, TA = 25°C
PARAMETER
TEST CONDITIONS
TYP
UNIT
Cpd
Power dissipation capacitance
No load
88
pF
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
SN74HC4020D 制造商:Texas Instruments 功能描述:COUNTER / MULTIPLIER / DIVIDER LOGIC IC
SN74HC4020DBR 功能描述:計(jì)數(shù)器 IC 14-Bit ASynch Binary Counter RoHS:否 制造商:NXP Semiconductors 計(jì)數(shù)器類(lèi)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
SN74HC4020DBRE4 功能描述:計(jì)數(shù)器 IC 14-Bit ASynch Binary Counter RoHS:否 制造商:NXP Semiconductors 計(jì)數(shù)器類(lèi)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
SN74HC4020DBRG4 功能描述:計(jì)數(shù)器 IC 14B ASYNC Binary Counters RoHS:否 制造商:NXP Semiconductors 計(jì)數(shù)器類(lèi)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
SN74HC4020DE4 功能描述:計(jì)數(shù)器 IC 14-Bit ASynch Binary Counter RoHS:否 制造商:NXP Semiconductors 計(jì)數(shù)器類(lèi)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
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