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74HCT7273D Datasheet(数据表) 11 Page - NXP Semiconductors

部件型号  74HCT7273D
说明  Octal D-type flip-flop with reset; positive edge-trigger; open drain outputs
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制造商  PHILIPS [NXP Semiconductors]
网页  http://www.nxp.com
标志 

 11 page
background image
1999 Oct 01
11
Philips Semiconductors
Product specification
Octal D-type flip-flop with reset; positive
edge-trigger; open drain outputs
74HCT7273
Fig.8 Data set-up and hold times for the data input (Dn).
VM = 1.3 V; VI = GND to 3 V.
The shaded areas indicate when the input is permitted to change for predicable output performance.
handbook, full pagewidth
MNA387
GND
GND
th
tsu
th
tsu
VM
VM
VI
VOH
VOL
VI
Qn output
CP input
Dn input
Fig.9 Load circuit for switching times.
handbook, full pagewidth
open
GND
VCC
VCC
VI
VO
MNA219
D.U.T.
CL
RT
1000
PULSE
GENERATOR
S1
TEST
S1
tPLH/tPHL
open
tPLZ/tPZL
VCC
tPHZ/tPZH
GND
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.




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