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參數(shù)資料
| 型號： | 74HCT273DB,112 |
| 廠商： | NXP Semiconductors |
| 文件頁數(shù)： | 20/21頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC D-TYPE F-F POS-EDG-TRG 20SSOP |
| 產品培訓模塊： | Logic Packages |
| 標準包裝： | 66 |
| 系列： | 74HCT |
| 功能： | 主復位 |
| 類型： | D 型總線 |
| 輸出類型： | 非反相 |
| 元件數(shù)： | 1 |
| 每個元件的位元數(shù)： | 8 |
| 頻率 - 時鐘： | 36MHz |
| 延遲時間 - 傳輸： | 15ns |
| 觸發(fā)器類型： | 正邊沿 |
| 輸出電流高，低： | 4mA，4mA |
| 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： | 管件 |
| 其它名稱： | 74HCT273DB 74HCT273DB-ND 935183580112 |
74HC_HCT273
All information provided in this document is subject to legal disclaimers.
NXP B.V. 2013. All rights reserved.
Product data sheet
Rev. 4 — 10 June 2013
8 of 21
NXP Semiconductors
74HC273; 74HCT273
Octal D-type flip-flop with reset; positive-edge trigger
tPHL
HIGH to LOW
propagation
delay
MR to Qn; see Figure 8
VCC = 2.0 V
-
44
150
-
185
-
225
ns
VCC = 4.5 V
-
16
30
-
37
-
45
ns
VCC = 5.0 V; CL =15pF
-
15
-
ns
VCC = 6.0 V
-
14
26
-
31
-
38
ns
tt
transition time
Qn output; see Figure 7
VCC = 2.0 V
-
19
75
-
95
-
110
ns
VCC = 4.5 V
-
7
15
-
19
-
22
ns
VCC = 6.0 V
-
6
13
-
15
-
19
ns
tW
pulse width
CP input HIGH or LOW;
see Figure 7
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 LOW;
see Figure 8
VCC = 2.0 V
60
17
-
75
-
90
-
ns
VCC = 4.5 V
12
6
-
15
-
18
-
ns
VCC = 6.0 V
10
5
-
13
-
15
-
ns
trec
recovery time
MR to CP; see Figure 8
VCC = 2.0 V
50
6
-
65
-
75
-
ns
VCC = 4.5 V
10
2
-
13
-
15
-
ns
VCC = 6.0 V
9
2-
11
-
13
-
ns
tsu
set-up time
Dn to CP; see Figure 9
VCC = 2.0 V
60
11
-
75
-
90
-
ns
VCC = 4.5 V
12
4
-
15
-
18
-
ns
VCC = 6.0 V
10
3
-
13
-
15
-
ns
th
hold time
Dn to CP; see Figure 9
VCC = 2.0 V
3
6-
3
-
3
-
ns
VCC = 4.5 V
3
2-
3
-
3
-
ns
VCC = 6.0 V
3
2-
3
-
3
-
ns
fmax
maximum
frequency
CP input; see Figure 7
VCC = 2.0 V
6
20.6
-
4.8
-
4
-
MHz
VCC = 4.5 V
30
103
-
24
-
20
-
MHz
VCC = 5.0 V; CL =15pF
-
66
-
MHz
VCC = 6.0 V
35
122
-
28
-
24
-
MHz
CPD
power
dissipation
capacitance
per package;
VI =GND to VCC
-20-
-
pF
Table 7.
Dynamic characteristics …continued
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
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