參數(shù)資料
型號(hào): 74LVC273DB,112
廠商: NXP Semiconductors
文件頁數(shù): 12/17頁
文件大?。?/td> 0K
描述: IC OCT D FF POSEDG TRIG 20SSOP
產(chǎn)品培訓(xùn)模塊: Logic Packages
標(biāo)準(zhǔn)包裝: 924
系列: 74LVC
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(gè)元件的位元數(shù): 8
頻率 - 時(shí)鐘: 150MHz
延遲時(shí)間 - 傳輸: 1.5ns
觸發(fā)器類型: 正邊沿
輸出電流高,低: 24mA,24mA
電源電壓: 1.2 V ~ 3.6 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
74LVC273
All information provided in this document is subject to legal disclaimers.
NXP B.V. 2012. All rights reserved.
Product data sheet
Rev. 6 — 31 December 2012
4 of 17
NXP Semiconductors
74LVC273
Octal D-type flip-flop with reset; positive-edge trigger
6.
Functional description
[1]
H = HIGH voltage level
L = LOW voltage level
X = don’t care
h = HIGH voltage level one set-up time prior to the LOW-to-HIGH CP transition
l = LOW voltage level one set-up time prior to the LOW-to-HIGH CP transition
= LOW-to-HIGH clock transition
7.
Limiting values
[1]
The minimum input voltage ratings may be exceeded if the input current ratings are observed.
[2]
The output voltage ratings may be exceeded if the output current ratings are observed.
[3]
For SO20 packages: above 70
C the value of P
tot derates linearly with 8 mW/K.
For (T)SSOP20 packages: above 60
C the value of P
tot derates linearly with 5.5 mW/K.
For DHVQFN20 packages: above 60
C the value of P
tot derates linearly with 4.5 mW/K.
8.
Recommended operating conditions
Table 3.
Function table[1]
Operating mode
Input
Output
MR
CP
Dn
Qn
Reset (clear)
L
XXL
Load ‘1’
H
hH
Load ‘0’
H
lL
Table 4.
Limiting values
In accordance with the Absolute Maximum Rating System (IEC 60134). Voltages are referenced to GND (ground = 0 V).
Symbol
Parameter
Conditions
Min
Max
Unit
VCC
supply voltage
0.5
+6.5
V
IIK
input clamping current
VI < 0 V
50
-
mA
VI
input voltage
0.5
+6.5
V
IOK
output clamping current
VO > VCC or VO < 0 V
-
50
mA
VO
output voltage
0.5
VCC + 0.5
V
IO
output current
VO = 0 V to VCC
-
50
mA
ICC
supply current
-
100
mA
IGND
ground current
100
-
mA
Tstg
storage temperature
65
+150
C
Ptot
total power dissipation
Tamb = 40 C to +125 C
500
mW
Table 5.
Recommended operating conditions
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
VCC
supply voltage
1.65
-
3.6
V
functional
1.2
-
V
VI
input voltage
0
-
5.5
V
VO
output voltage
0
-
VCC
V
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