參數(shù)資料
型號: 74HCT273D,652
廠商: NXP Semiconductors
文件頁數(shù): 21/21頁
文件大?。?/td> 0K
描述: IC FLIP FLOP OCT D RESET 20SOIC
產(chǎn)品培訓(xùn)模塊: Logic Packages
標準包裝: 1,520
系列: 74HCT
功能: 主復(fù)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-SOIC(0.295",7.50mm 寬)
包裝: 管件
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
9 of 21
NXP Semiconductors
74HC273; 74HCT273
Octal D-type flip-flop with reset; positive-edge trigger
[1]
tpd is the same as tPHL and tPLH.
[2]
tt is the same as tTHL and tTLH.
[3]
CPD is used to determine the dynamic power dissipation (PD in W).
PD = CPD VCC2 fi + (CL VCC2 fo) where:
fi = input frequency in MHz;
fo = output frequency in MHz;
(C
L VCC
2
f
o) = sum of outputs;
CL = output load capacitance in pF;
VCC = supply voltage in V.
74HCT273
tpd
propagation
delay
CP to Qn; see Figure 7
VCC = 4.5 V
-
16
30
-
38
-
45
ns
VCC = 5.0 V; CL =15pF
-
15
-
ns
tPHL
HIGH to LOW
propagation
delay
MR to Qn; see Figure 8
VCC = 4.5 V
-
23
34
-
43
-
51
ns
VCC = 5.0 V; CL =15pF
-
20
-
ns
tt
transition time
Qn output; see Figure 7
VCC = 4.5 V
-
7
15
-
19
-
22
ns
tW
pulse width
CP input; see Figure 7
VCC = 4.5 V
16
9
-
20
-
24
-
ns
MR input LOW;
VCC = 4.5 V
16
8
-
20
-
24
-
ns
trec
recovery time
MR to CP; see Figure 8
VCC = 4.5 V
10
2
-
13
-
15
-
ns
tsu
set-up time
Dn to CP; see Figure 9
VCC = 4.5 V
12
5
-
15
-
18
-
ns
th
hold time
Dn to CP; see Figure 9
VCC = 4.5 V
3
4-
3
-
3
-
ns
fmax
maximum
frequency
CP input; see Figure 7
VCC = 4.5 V
30
56
-
24
-
20
-
MHz
VCC = 5.0 V; CL =15pF
-
36
-
MHz
CPD
power
dissipation
capacitance
per package;
VI =GND to VCC 1.5 V
-23-
-
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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