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74VHCT74ATTR PDF даташит

Спецификация 74VHCT74ATTR изготовлена ​​​​«STMicroelectronics» и имеет функцию, называемую «DUAL D-TYPE FLIP FLOP WITH PRESET AND CLEAR».

Детали детали

Номер произв 74VHCT74ATTR
Описание DUAL D-TYPE FLIP FLOP WITH PRESET AND CLEAR
Производители STMicroelectronics
логотип STMicroelectronics логотип 

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74VHCT74ATTR Даташит, Описание, Даташиты
® 74VHCT74A
DUAL D-TYPE FLIP FLOP WITH PRESET AND CLEAR
s HIGH SPEED:
fMAX =160 MHz (TYP.) at VCC = 5V
s LOW POWER DISSIPATION:
ICC = 2 µA (MAX.) at TA = 25 oC
s COMPATIBLE WITH TTL OUTPUTS:
VIH = 2V (MIN), VIL = 0.8V (MAX)
s POWER DOWN PROTECTION ON INPUTS &
OUTPUTS
s SYMMETRICAL OUTPUT IMPEDANCE:
|IOH| = IOL = 8 mA (MIN)
s BALANCED PROPAGATION DELAYS:
tPLH tPHL
s OPERATING VOLTAGE RANGE:
VCC (OPR) = 4.5V to 5.5V
s PIN AND FUNCTION COMPATIBLE WITH
74 SERIES 74
s IMPROVED LATCH-UP IMMUNITY
DESCRIPTION
The 74VHCT74A is an advanced high-speed
CMOS DUAL D-TYPE FLIP FLOP WITH
PRESET AND CLEAR fabricated with sub-micron
silicon gate and double-layer metal wiring C2MOS
technology.
A signal on the D INPUT is transfered to the Q
OUTPUT during the positive going transition of
SOP
TSSOP
PACKAGE
SOP
TSSOP
ORDER CODES
T UB E
T&R
74VHCT74AM 74VHCT74AMTR
74VHCT74ATTR
the clock pulse.
CLEAR and PRESET are independent of the
clock and accomplished by a low setting on the
appropriate input.
Power down protection is provided on all inputs
and outputs and 0 to 7V can be accepted on
inputs with no regard to the supply voltage. This
device can be used to interface 5V to 3V.
All inputs and outputs are equipped with
protection circuits against static discharge, giving
them 2KV ESD immunity and transient excess
voltage.
PIN CONNECTION AND IEC LOGIC SYMBOLS
March 2000
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74VHCT74ATTR Даташит, Описание, Даташиты
74VHCT74A
INPUT EQUIVALENT CIRCUIT
TRUTH TABLE
CLR
L
H
L
H
H
H
X:Don’t Care
INPUTS
PR
H
L
L
H
H
H
D
X
X
X
L
H
X
LOGIC DIAGRAM
PIN DESCRIPTION
PIN No
1, 13
2, 12
3, 11
4, 10
5, 9
6, 8
7
14
S YM BO L
1CLR,
2CLR
1D, 2D
1CK, 2CK
1PR, 2PR
1Q, 2Q
1Q, 2Q
GND
VCC
NAME AND FUNCTION
Asyncronous Reset -
Direct Input
Data Input
Clock Input
(LOW-to-HIGH, Edge-
Triggered)
Asyncronous Set - Direct
Input
True Flip-Flop Outputs
Complement Flip-Flop
Outputs
Ground (0V)
Positive Supply Voltage
OUT PUT S
CK Q
Q
XLH
XH L
XHH
LH
HL
Qn Qn
F UNCTION
CLEAR
PRESET
NO CHANGE
Thislogic diagram has notbe used to estimate propagation delays
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74VHCT74ATTR Даташит, Описание, Даташиты
74VHCT74A
ABSOLUTE MAXIMUM RATINGS
Symbol
Parameter
Value
Unit
VCC Supply Voltage
-0.5 to +7.0
V
VI DC Input Voltage
-0.5 to +7.0
V
VO DC Output Voltage (see note 1)
-0.5 to +7.0
V
VO DC Output Voltage (see note 2)
-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
ICC or IGND DC VCC or Ground Current
± 50 mA
Tstg Storage Temperature
-65 to +150
oC
TL Lead Temperature (10 sec)
300 oC
Absolute Maximum Ratings are those values beyond which damage to the device may occur. Functional operation under these condition is not implied.
1) VCC=0
2) High or Low State
RECOMMENDED OPERATING CONDITIONS
Symbol
Parameter
VCC Supply Voltage
VI Input Voltage
VO Output Voltage (see note 1)
VO Output Voltage (see note 2)
Top Operating Temperature
dt/dv Input Rise and Fall Time (see note 3) (VCC = 5.0 ± 0.5V)
1) VCC=0
2) High or Low State
3)VIN from0.8V to 2 V
Valu e
4.5 to 5.5
0 to 5.5
0 to 5.5
0 to VCC
-40 to +85
0 to 20
Unit
V
V
V
V
oC
ns/V
DC SPECIFICATIONS
Symb ol
Parameter
VIH High Level Input
Voltage
VIL Low Level Input
Voltage
VOH High Level Output
Voltage
VOL Low Level Output
Voltage
II Input Leakage Current
ICC Quiescent Supply
Current
ICC Additional Worst Case
Supply Current
IOPD Output Leakage
Current
Test Conditions
V CC
( V)
4.5 to 5.5
4.5 to 5.5
4.5
4.5
4.5
4.5
0 to 5.5
5.5
IO=-50 µA
IO=-8 mA
IO=50 µA
IO=8 mA
VI = 5.5V or GND
VI = VCC or GND
5.5 One Input at 3.4V,
other input at VCC or
GND
0 VOUT = 5.5V
Value
TA = 25 oC
Min. Typ. Max.
2
-40 to 85 oC
Min . Max.
2
0.8 0.8
4.4 4.5
4.4
3.94 3.8
0.0 0.1
0.1
0.36 0.44
±0.1 ±1.0
2 20
1.35 1.5
0.5 5.0
Un it
V
V
V
V
µA
µA
mA
µA
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74VHCT74ATTRDUAL D-TYPE FLIP FLOP WITH PRESET AND CLEARSTMicroelectronics
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