74HC76 PDF даташит
Спецификация 74HC76 изготовлена «STMicroelectronics» и имеет функцию, называемую «DUAL J-K FLIP FLOP». |
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Детали детали
Номер произв | 74HC76 |
Описание | DUAL J-K FLIP FLOP |
Производители | STMicroelectronics |
логотип |
11 Pages
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M74HC76
DUAL J-K FLIP FLOP WITH PRESET AND CLEAR
s HIGH SPEED :
fMAX = 67MHz (TYP.) at VCC = 6V
s LOW POWER DISSIPATION:
www.DataSheet4U.comICC =2µA(MAX.) at TA=25°C
s HIGH NOISE IMMUNITY:
VNIH = VNIL = 28 % VCC (MIN.)
s SYMMETRICAL OUTPUT IMPEDANCE:
|IOH| = IOL = 4mA (MIN)
s BALANCED PROPAGATION DELAYS:
tPLH ≅ tPHL
s WIDE OPERATING VOLTAGE RANGE:
VCC (OPR) = 2V to 6V
s PIN AND FUNCTION COMPATIBLE WITH
74 SERIES 76
DESCRIPTION
The M74HC76 is an high speed CMOS DUAL J-K
FLIP FLOP WITH CLEAR fabricated with silicon
gate C2MOS technology.
Depending on with the logic level at J and K
inputs, this device changes state on the negative
going transition of clock pulse (CK). CLEAR (CLR)
DIP
SOP
TSSOP
ORDER CODES
PACKAGE
TUBE
DIP
SOP
TSSOP
M74HC76B1R
M74HC76M1R
T&R
M74HC76RM13TR
M74HC76TTR
and PRESET (PR) are independent of the clock
and are accomplished by a logic low on the
corresponding input.
All inputs are equipped with protection circuits
against static discharge and transient excess
voltage.
PIN CONNECTION AND IEC LOGIC SYMBOLS
August 2001
1/11
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M74HC76
INPUT AND OUTPUT EQUIVALENT CIRCUIT
www.DataSheet4U.com
PIN DESCRIPTION
PIN No
1, 6
2, 7
3, 8
4, 9
10, 14
11, 15
16, 12
13
5
SYMBOL NAME AND FUNCTION
1CK, 2CK
Clock Input(HIGH to LOW
edge triggered)
1PR, 2PR Set Inputs (Active LOW)
1CLR, 2CLR
Asynchronous Reset
Inputs (Active LOW)
1J, 2J
Data Inputs: Flip-Flop 1
and 2
1Q, 2Q
Complement Flip-Flop
Outputs
1Q, 2Q True Flip-Flop Outputs
1K, 2K
Data Inputs: Flip-Flop 1
and 2
GND Ground (0V)
Vcc Positive Supply Voltage
TRUTH TABLE
CLR
L
H
L
H
H
H
H
H
X : Don’t Care
PR
H
L
L
H
H
H
H
H
LOGIC DIAGRAM
INPUTS
J
X
X
X
L
L
H
H
X
K
X
X
X
L
H
L
H
X
OUTPUTS
CK Q
Q
XLH
XHL
XHH
Qn Qn
LH
HL
Qn Qn
Qn Qn
FUNCTION
CLEAR
PRESET
----
NO CHANGE
----
----
TOGGLE
NO CHANGE
2/11
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M74HC76
ABSOLUTE MAXIMUM RATINGS
Symbol
Parameter
Value
Unit
VCC Supply Voltage
-0.5 to +7
V
VI DC Input Voltage
-0.5 to VCC + 0.5
V
VO DC Output Voltage
-0.5 to VCC + 0.5
V
IIK DC Input Diode Current
± 20
mA
IOK DC Output Diode Current
± 20
mA
IO DC Output Current
± 25
mA
www.DataSheet4U.cIoCmC or IGND DC VCC or Ground Current
PD Power Dissipation
± 50
500(*)
mA
mW
Tstg Storage Temperature
-65 to +150
°C
TL Lead Temperature (10 sec)
300 °C
Absolute Maximum Ratings are those values beyond which damage to the device may occur. Functional operation under these conditions is
not implied
(*) 500mW at 65 °C; derate to 300mW by 10mW/°C from 65°C to 85°C
RECOMMENDED OPERATING CONDITIONS
Symbol
VCC
VI
VO
Top
tr, tf
Supply Voltage
Input Voltage
Output Voltage
Operating Temperature
Input Rise and Fall Time
Parameter
VCC = 2.0V
VCC = 4.5V
VCC = 6.0V
Value
2 to 6
0 to VCC
0 to VCC
-55 to 125
0 to 1000
0 to 500
0 to 400
Unit
V
V
V
°C
ns
ns
ns
3/11
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