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PDF 74HCT7273D Data sheet ( Hoja de datos )
| Número de pieza | 74HCT7273D | |
| Descripción | Octal D-type flip-flop with reset; positive edge-trigger; open drain outputs | |
| Fabricantes | Philips | |
| Logotipo |  |
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INTEGRATED CIRCUITS
DATA SHEET
74HCT7273
Octal D-type flip-flop with reset;
positive edge-trigger; open drain
outputs
Product specification
File under Integrated Circuits, IC06
1999 Oct 01
1 page  
Philips Semiconductors
Octal D-type flip-flop with reset; positive
edge-trigger; open drain outputs
handbook, halfpage
11
C1
1R
3
1D
4
7
8
13
14
17
18
2
5
6
9
12
15
16
19
MNA382
Fig.3 IEC logic symbol.
Product specification
74HCT7273
handbook, full pag3ewidth
4
7
8 13 14 17 18
D0 D1 D2 D3 D4 D5 D6 D7
DQ
FF1
CP
RD
CP
11
DQ
FF2
CP
RD
DQ
FF3
CP
RD
DQ
FF4
CP
RD
DQ
FF5
CP
RD
DQ
FF6
CP
RD
DQ
FF7
CP
RD
DQ
FF8
CP
RD
MR
1
Q0 Q1 Q2 Q3 Q4 Q5 Q6 Q7
2 5 6 9 12 15 16 19
MNA383
1999 Oct 01
Fig.4 Functional diagram.
5
5 Page 
Philips Semiconductors
Octal D-type flip-flop with reset; positive
edge-trigger; open drain outputs
Product specification
74HCT7273
handbook, full pagewidth
CP input
VI
GND
VI
Dn input
GND
VM
t su
th
VM
t su
th
VOH
Qn output
VOL
MNA387
VM = 1.3 V; VI = GND to 3 V.
The shaded areas indicate when the input is permitted to change for predicable output performance.
Fig.8 Data set-up and hold times for the data input (Dn).
handbook, full pagewidth
PULSE
GENERATOR
VI
VCC
VO
D.U.T.
RT
S1
1000 Ω
VCC
open
GND
CL
MNA219
TEST
tPLH/tPHL
tPLZ/tPZL
tPHZ/tPZH
S1
open
VCC
GND
1999 Oct 01
Definitions for test circuit.
CL = load capacitance including jig and probe capacitance (See Chapter “AC characteristics”).
RT = termination resistance should be equal to the output impedance Zo of the pulse generator.
Fig.9 Load circuit for switching times.
11
11 Page | ||
| Páginas | Total 20 Páginas | |
| PDF Descargar | [ Datasheet 74HCT7273D.PDF ] | |
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