參數(shù)資料
型號(hào): 74HCT574DB,118
廠商: NXP Semiconductors
文件頁數(shù): 17/19頁
文件大小: 0K
描述: IC OCT FF POS-EDGE TRIG 20SSOP
產(chǎn)品培訓(xùn)模塊: Logic Packages
標(biāo)準(zhǔn)包裝: 1,000
系列: 74HCT
功能: 標(biāo)準(zhǔn)
類型: D 型總線
輸出類型: 三態(tài)非反相
元件數(shù): 1
每個(gè)元件的位元數(shù): 8
頻率 - 時(shí)鐘: 69MHz
延遲時(shí)間 - 傳輸: 18ns
觸發(fā)器類型: 正邊沿
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: 20-SSOP(0.209",5.30mm 寬)
包裝: 帶卷 (TR)
其它名稱: 74HCT574DB-T
74HCT574DB-T-ND
935175110118
74HC_HCT574
All information provided in this document is subject to legal disclaimers.
NXP B.V. 2012. All rights reserved.
Product data sheet
Rev. 5 — 25 April 2012
7 of 19
NXP Semiconductors
74HC574; 74HCT574
Octal D-type flip-flop; positive edge-trigger; 3-state
10. Dynamic characteristics
Table 7.
Dynamic characteristics
Voltages are referenced to GND (ground = 0 V); CL = 50 pF unless otherwise specified; for test circuit see Figure 10.
Symbol Parameter
Conditions
25
°C
40 °C to +85 °C 40 °C to +125 °C Unit
Min
Typ
Max
Min
Max
Min
Max
For type 74HC574
tpd
propagation
delay
CP to Qn; see Figure 7
VCC = 2.0 V
-
47
150
-
190
-
225
ns
VCC = 4.5 V
-
17
30
-
35
-
45
ns
VCC =5V; CL =15pF
-
14
-
ns
VCC = 6.0 V
-
14
26
-
33
-
38
ns
ten
enable time
OE to Qn; see Figure 9
VCC = 2.0 V
-
44
140
-
175
-
210
ns
VCC = 4.5 V
-
16
28
-
35
-
42
ns
VCC = 6.0 V
-
13
24
-
30
-
36
ns
tdis
disable time
OE to Qn; see Figure 9
VCC = 2.0 V
-
39
125
-
155
-
190
ns
VCC = 4.5 V
-
14
25
-
31
-
38
ns
VCC = 6.0 V
-
11
21
-
26
-
32
ns
tt
transition
time
Qn; see Figure 7
VCC = 2.0 V
-
14
60
-
75
-
90
ns
VCC = 4.5 V
-
5
12
-
15
-
18
ns
VCC = 6.0 V
-
4
10
-
13
-
15
ns
tW
pulse width
CP 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
tsu
set-up time
Dn to CP; see Figure 8
VCC = 2.0 V
60
6
-
75
-
90
-
ns
VCC = 4.5 V
12
2
-
15
-
18
-
ns
VCC = 6.0 V
10
2
-
13
-
15
-
ns
th
hold time
Dn to CP; see Figure 8
VCC = 2.0 V
5
0
-
5
-
5
-
ns
VCC = 4.5 V
5
0
-
5
-
5
-
ns
VCC = 6.0 V
5
0
-
5
-
5
-
ns
fmax
maximum
frequency
CP; see Figure 7
VCC = 2.0 V
6.0
37
-
4.8
-
4.0
-
MHz
VCC = 4.5 V
30
112
-
24
-
20
-
MHz
VCC =5V; CL = 15 pF
-
123
-
MHz
VCC = 6.0 V
35
133
-
28
-
24
-
MHz
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