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HD74LVC534 PDF даташит

Спецификация HD74LVC534 изготовлена ​​​​«Hitachi Semiconductor» и имеет функцию, называемую «Octal D-type Flip Flops with 3-state Outputs».

Детали детали

Номер произв HD74LVC534
Описание Octal D-type Flip Flops with 3-state Outputs
Производители Hitachi Semiconductor
логотип Hitachi Semiconductor логотип 

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HD74LVC534 Даташит, Описание, Даташиты
HD74LVC534
Octal D-type Flip Flops with 3-state Outputs
ADE-205-071B(Z)
Rev.2
September 1995
Description
The HD74LVC534 has eight edge trigger D type flip flops with three state outputs in a 20 pin package.
Data at the D inputs meeting set up reguirements, are transferred to the Q outputs on positive going
transitions of the clock input. When the latch enable goes low, data at the D inputs will be retained at the
outputs until latch enable returns high again. When a high logic level is applied to the output control input,
all outputs go to a high impedance state, regardless of what signals are present at the other inputs and the
state of the storage elements. Low voltage and high speed operation is suitable at the battery drive product
(note type personal computer) and low power consumption extends the life of a battery for long time
operation.
Features
VCC = 2.0 V to 5.5 V
All inputs VIH (Max.) = 5.5 V (@VCC = 0 V to 5.5 V)
Typical VOL ground bounce < 0.8 V (@VCC = 3.3 V, Ta = 25°C)
Typical VOH undershoot > 2.0 V (@VCC = 3.3 V, Ta = 25°C)
High output current ±24 mA (@VCC = 3.0 V to 5.5 V)









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HD74LVC534 Даташит, Описание, Даташиты
HD74LVC534
Function Table
Inputs
G CK D Output Q
HXXZ
LLH
L HL
L L X Q0
H : High level
L : Low level
X : Immaterial
Z : High impedance
: Low to high transition
Q0 : Level of Q before the indicated steady input conditions were established.
Pin Arrangement
G1
1Q 2
1D 3
2D 4
2Q 5
3Q 6
3D 7
4D 8
4Q 9
GND 10
GQ
CK D
CK D
GQ
GQ
CK D
CK D
GQ
GQ
CK D
CK D
GQ
GQ
CK D
CK D
GQ
20 VCC
19 8Q
18 8D
17 7D
16 7Q
15 6Q
14 6D
13 5D
12 5Q
11 CK
(Top view)
2









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HD74LVC534 Даташит, Описание, Даташиты
HD74LVC534
Absolute Maximum Ratings
Item
Symbol
Ratings
Unit Conditions
Supply voltage
Input diode current
Input voltage
Output diode current
Output voltage
Output current
VCC, GND current / pin
Storage temperature
VCC
I IK
VI
I OK
VO
IO
ICC or IGND
Tstg
–0.5 to 6.0
–50
–0.5 to 6.0
–50
50
–0.5 to VCC +0.5
±50
100
–65 to +150
V
mA
V
mA
mA
V
mA
mA
°C
VI = –0.5 V
VO = –0.5 V
VO = VCC+0.5 V
Note: The absolute maximum ratings are values which must not individually be exceeded, and furthermore,
no two of which may be realized at the same time.
Recommended Operating Conditions
Item
Symbol
Ratings
Unit
Supply voltage
VCC
1.5 to 5.5
V
2.0 to 5.5
V
Input / output voltage
Operating temperature
VI
VO
Ta
0 to 5.5
0 to VCC
–40 to 85
V
V
°C
Output current
IOH –12
–24*2
mA
mA
IOL 12
24*2
mA
mA
Input rise / fall time *1
tr, tf 10
ns/V
Notes: 1. This item guarantees maximum limit when one input switches.
Waveform : Refer to test circuit of switching characteristics.
2. duty cycle 50%
Conditions
Data retention
At operation
G, CK, D
Q
VCC = 2.7 V
VCC = 3.0 V to 5.5 V
VCC = 2.7 V
VCC = 3.0 V to 5.5 V
3










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