參數(shù)資料
型號: 74HCT4040DB,112
廠商: NXP Semiconductors
文件頁數(shù): 19/20頁
文件大?。?/td> 0K
描述: IC 12STAGE BINARY RIPPLE 16-SSOP
產(chǎn)品培訓(xùn)模塊: Logic Packages
標準包裝: 1,092
系列: 74HCT
邏輯類型: 二進制計數(shù)器
方向:
元件數(shù): 1
每個元件的位元數(shù): 12
復(fù)位: 異步
計時: *
計數(shù)速率: 79MHz
觸發(fā)器類型: 負邊沿
電源電壓: 4.5 V ~ 5.5 V
工作溫度: -40°C ~ 125°C
安裝類型: 表面貼裝
封裝/外殼: 16-SSOP(0.209",5.30mm 寬)
供應(yīng)商設(shè)備封裝: 16-SSOP
包裝: 管件
74HC_HCT4040
All information provided in this document is subject to legal disclaimers.
NXP Semiconductors N.V. 2014. All rights reserved.
Product data sheet
Rev. 4 — 20 March 2014
8 of 20
NXP Semiconductors
74HC4040; 74HCT4040
12-stage binary ripple counter
11. Dynamic characteristics
Table 7.
Dynamic characteristics
GND (ground = 0 V); CL = 50 pF unless otherwise specified; for test circuit, see Figure 9.
Symbol
Parameter
Conditions
25
C
40 C to +85 C 40 C to +125 C Unit
Min Typ Max
Min
Max
Min
Max
74HC4040
tpd
propagation
delay
CP to Q0; see Figure 8
VCC = 2.0 V
-
47
150
-
190
-
225
ns
VCC = 4.5 V
-
17
30
-
38
-
45
ns
VCC =5.0 V; CL =15pF
-
14
-
ns
VCC = 6.0 V
-
14
26
-
33
-
38
ns
Qn to Qn+1; see Figure 8
VCC = 2.0 V
-
28
100
-
125
-
150
ns
VCC = 4.5 V
-
10
20
-
25
-
30
ns
VCC =5.0 V; CL =15pF
-
8
-
ns
VCC = 6.0 V
-
8
17
-
21
-
26
ns
tPHL
HIGH to LOW
propagation
delay
MR to Qn; see Figure 8
VCC = 2.0 V
-
61
185
-
230
-
280
ns
VCC = 4.5 V
-
22
37
-
46
-
56
ns
VCC = 6.0 V
-
18
31
-
39
-
48
ns
tt
transition time Qn; see Figure 8
VCC = 2.0 V
-
19
75
-
95
-
110
ns
VCC = 4.5 V
-
7
15
-
19
-
22
ns
VCC = 6.0 V
-
6
13
-
16
-
19
ns
tW
pulse width
CP input, HIGH or LOW;
VCC = 2.0 V
80
14
-
100
-
120
-
ns
VCC = 4.5 V
16
5
-
20
-
24
-
ns
VCC = 6.0 V
14
4
-
17
-
20
-
ns
MR input, HIGH;
VCC = 2.0 V
80
22
-
100
-
120
-
ns
VCC = 4.5 V
16
8
-
20
-
24
-
ns
VCC = 6.0 V
14
6
-
17
-
20
-
ns
trec
recovery time
MR to CP; see Figure 8
VCC = 2.0 V
50
8
-
65
-
75
-
ns
VCC = 4.5 V
10
3
-
13
-
15
-
ns
VCC = 6.0 V
9
2
-
11
-
13
-
ns
fmax
maximum
frequency
CP input; see Figure 8
VCC = 2.0 V
6
27
-
4.8
-
4
-
MHz
VCC = 4.5 V
30
82
-
24
-
20
-
MHz
VCC =5.0 V; CL =15pF
-
90
-
MHz
VCC = 6.0 V
35
98
-
28
-
24
-
MHz
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