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HD74HC109 PDF даташит

Спецификация HD74HC109 изготовлена ​​​​«Hitachi Semiconductor» и имеет функцию, называемую «Dual J-K Flip-Flops (with Preset and Clear)».

Детали детали

Номер произв HD74HC109
Описание Dual J-K Flip-Flops (with Preset and Clear)
Производители Hitachi Semiconductor
логотип Hitachi Semiconductor логотип 

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HD74HC109 Даташит, Описание, Даташиты
HD74HC109
Dual J-K Flip-Flops (with Preset and Clear)
Description
Each flip-flop has independent J, K, preset, clear and clock inputs and Q and Q outputs. This device is
edge sensitive to the clock input and changes state on the positive going transition of the clock pulse. Clear
and preset are independent of the clock and accomplished by a low logic level on the corresponding input.
Features
High Speed Operation: tpd (Clock to Q) = 15 ns typ (CL = 50 pF)
High Output Current: Fanout of 10 LSTTL Loads
Wide Operating Voltage: VCC = 2 to 6 V
Low Input Current: 1 µA max
Low Quiescent Supply Current: ICC (static) = 2 µA max (Ta = 25°C)
Function Table
Inputs
Output
Preset
Clear
Clock
J
K
Q
Q
LH X X X H L
HL X X X L H
L L X X X H*1 H*1
HH
LLL H
HH
H L Toggle
HH
HH
L H Q0 Q0
HHH L
H
Note:
HL
X X Q0 Q0
1. Q and Q will remain high as long as preset and clear input are low, but Q and Q are
unpredictable if preset and clear input go high simultaneously.









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HD74HC109 Даташит, Описание, Даташиты
HD74HC109
Pin Arrangement
1CLR 1
1J 2
1K 3
1CK 4
1PR 5
1Q 6
1Q 7
GND 8
Block Diagram (1/2)
J CK K
PR CLR
QQ
K CK J
CLR PR
QQ
(Top view)
16 VCC
15 2CLR
14 2J
13 2K
12 2CK
11 2PR
10 2Q
9 2Q
PR
CLR
J
K
CK
C
CC
C
C
C
C
C
C
C
Q
Q
2









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HD74HC109 Даташит, Описание, Даташиты
HD74HC109
DC Characteristics
Item
Input voltage
Output voltage
Input current
Quiescent supply
current
Ta = 25°C
Ta = –40 to
+85°C
Symbol
VIH
VCC (V) Min Typ Max Min
2.0 1.5 — — 1.5
4.5 3.15 — — 3.15
Max
Unit
V
6.0 4.2 — — 4.2 —
VIL 2.0 — — 0.5 — 0.5 V
4.5 — — 1.35 — 1.35
6.0 — — 1.8 — 1.8
VOH 2.0 1.9 2.0 — 1.9 — V
4.5 4.4 4.5 — 4.4 —
6.0 5.9 6.0 — 5.9 —
4.5 4.18 — — 4.13 —
6.0 5.68 — — 5.63 —
VOL 2.0 — 0.0 0.1 — 0.1 V
4.5 — 0.0 0.1 — 0.1
6.0 — 0.0 0.1 — 0.1
4.5 — — 0.26 — 0.33
6.0 — — 0.26 — 0.33
Iin 6.0 — — ±0.1 — ±1.0 µA
ICC 6.0 — — 2.0 — 20 µA
Test Conditions
Vin = VIH or VIL IOH = –20 µA
IOH = –4 mA
IOH = –5.2 mA
Vin = VIH or VIL IOL = 20 µA
IOL = 4 mA
IOL = 5.2 mA
Vin = VCC or GND
Vin = VCC or GND, Iout = 0 µA
3










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