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HD74LS273 डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - Octal D-type Positive-edge-triggered Flip-Flops - Renesas

भाग संख्या HD74LS273
समारोह Octal D-type Positive-edge-triggered Flip-Flops
मैन्युफैक्चरर्स Renesas 
लोगो Renesas लोगो 
पूर्व दर्शन
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<?=HD74LS273?> डेटा पत्रक पीडीएफ

HD74LS273 pdf
HD74LS273
Function Table
Inputs
Clear
Clock
D
LXX
HH
HL
HLX
Notes: H; high level, L; low level, X; irrelevant
; transition from low to high level
Q0; level of Q before the indicated steady-state input conditions were established.
Block Diagram
1D 2D 3D 4D 5D 6D 7D
Output
Q
L
H
L
Q0
8D
Clock (1)
Clear (2)
DQ
CK
Clear
DQ
CK
Clear
DQ
CK
Clear
DQ
CK
Clear
DQ
CK
Clear
DQ
CK
Clear
DQ
CK
Clear
DQ
CK
Clear
1Q 2Q 3Q 4Q 5Q 6Q 7Q 8Q
Absolute Maximum Ratings
Item
Symbol
Ratings
Supply voltage
VCC
7
Input voltage
VIN 7
Power dissipation
PT 400
Storage temperature
Tstg –65 to +150
Note: Voltage value, unless otherwise noted, are with respect to network ground terminal.
Recommended Operating Conditions
Item
Supply voltage
Output current
Operating temperature
Clock frequency
Clock pulse width
Clear pulse width
Data setup time
Clear (inactive-state) setup time
Data hold time
Symbol
VCC
IOH
IOL
Topr
ƒclock
tw (clock)
tw (clear)
tsu (data)
tsu (clear)
th (data)
Min
4.75
–20
0
20
20
20
25
5
Typ
5.00
25
Max
5.25
–400
8
75
30
Unit
V
V
mW
°C
Unit
V
µA
mA
°C
MHz
ns
ns
ns
ns
ns
Rev.3.00, Jul.15.2005, page 2 of 6

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