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74LCX821MTC PDF даташит

Спецификация 74LCX821MTC изготовлена ​​​​«Fairchild Semiconductor» и имеет функцию, называемую «Low Voltage 10-Bit D-Type Flip-Flop with 5V Tolerant Inputs and Outputs».

Детали детали

Номер произв 74LCX821MTC
Описание Low Voltage 10-Bit D-Type Flip-Flop with 5V Tolerant Inputs and Outputs
Производители Fairchild Semiconductor
логотип Fairchild Semiconductor логотип 

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74LCX821MTC Даташит, Описание, Даташиты
January 1996
Revised April 1999
74LCX821
Low Voltage 10-Bit D-Type Flip-Flop with 5V Tolerant
Inputs and Outputs
General Description
The LCX821 consists of ten D-type Flip-Flops with 3-
STATE outputs for bus organized system applications. The
device is designed for low voltage (2.5V or 3.3V) VCC appli-
cations with capability of interfacing to a 5V signal environ-
ment.
The LCX821 is fabricated with an advanced CMOS tech-
nology to achieve high speed operation while maintaining
CMOS low power dissipation.
Features
s 5V tolerant inputs and outputs
s 2.3V–3.6V VCC specifications provided
s 7.0 ns tPD max (VCC = 3.3V), 10 µA ICC max
s Power-down high impedance inputs and outputs
s Supports live insertion/withdrawal (Note 1)
s ±24 mA output drive (VCC = 3.0V)
s Implements patented noise/EMI reduction circuitry
s Latch-up performance exceeds 500 mA
s ESD performance:
Human Body Model > 2000V
Machine Model > 200V
Note 1: To ensure the high-impedance state during power up or down, OE
should be tied to VCC through a pull-up resistor: the minimum value or the
resistor is determined by the current-sourcing capability of the driver.
Ordering Code:
Order Number
74LCX821WM
74LCX821MSA
74LCX821MTC
Package Number
Package Description
M24B
24-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300” Wide
MSA24
24-Lead Shrink Small Outline Package (SSOP), EIAJ TYPE II, 5.3mm Wide
MTC24
24-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide
Devices also available in Tape and Reel. Specify by appending the suffix “X” to the ordering code.
Logic Symbols
Connection Diagram
IEEE/IEC
© 1999 Fairchild Semiconductor Corporation DS012635.prf
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74LCX821MTC Даташит, Описание, Даташиты
Pin Descriptions
Function Table
Pin Names
D0–D9
CLK
OE
O0–O9
Description
Data Inputs
Clock Input
Output Enable Input
3-STATE Latch Outputs
Functional Description
The LCX821 consists of ten edge-triggered flip-flops with
individual D-type inputs with 3-STATE true outputs. The
buffered clock and buffered Output Enable are common to
all flip-flops. The ten flip-flops will store the state of their
individual D inputs that meet the setup and hold time
Inputs
Internal
OE CLK D
Q
H H L NC
H HH
H L
H H
L L
L H
NC
L
H
L
H
L H L NC
L H H NC
H = HIGH Voltage Level
L = LOW Voltage Level
X = Immaterial
Z = High Impendance
= LOW-to-HIGH Transition
NC = No Change
Outputs
Function
On
Z Hold
Z Hold
Z Load
Z Load
L Data Available
H Data Available
NC No Change in Data
NC No Change in Data
requirements on the LOW-to-HIGH Clock (CLK) transition.
With the Output Enable (OE) LOW, the contents of the ten
flip-flops are available at the outputs. When OE is HIGH,
the outputs go to the high impedance state. Operation of
the OE input does not affect the state of the flip-flops.
Logic Diagram
Please note that this diagram is provided only for the understanding of logic operations and should not be used to estimate propagation delays.
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74LCX821MTC Даташит, Описание, Даташиты
Absolute Maximum Ratings(Note 2)
Symbol
Parameter
VCC Supply Voltage
VI DC Input Voltage
VO DC Output Voltage
IIK DC Input Diode Current
IOK DC Output Diode Current
IO
ICC
IGND
TSTG
DC Output Source/Sink Current
DC Supply Current per Supply Pin
DC Ground Current per Ground Pin
Storage Temperature
Value
0.5 to +7.0
0.5 to +7.0
0.5 to +7.0
0.5 to VCC + 0.5
50
50
+50
±50
±100
±100
65 to +150
Conditions
Output in 3-STATE
Output in HIGH or LOW State (Note 3)
VI < GND
VO < GND
VO > VCC
Recommended Operating Conditions (Note 4)
Units
V
V
V
mA
mA
mA
mA
mA
°C
Symbol
Parameter
Min
Max
Units
VCC Supply Voltage
Operating
Data Retention
2.0
1.5
3.6
3.6
V
VI Input Voltage
VO Output Voltage
0 5.5 V
HIGH or LOW State 0 VCC V
3-STATE 0
5.5
IOH/IOL Output Current
VCC = 3.0V 3.6V
±24
VCC = 2.7V 3.0V
±12 mA
VCC = 2.3V 2.7V
±8
TA Free-Air Operating Temperature
40 85
°C
t/V
Input Edge Rate, VIN = 0.8V 2.0V, VCC = 3.0V
0 10 ns/V
Note 2: The Absolute Maximum Ratings are those values beyond which the safety of the device cannot be guaranteed. The device should not be operated
at these limits. The parametric values defined in the Electrical Characteristics tables are not guaranteed at the Absolute Maximum Ratings. The “Recom-
mended Operating Conditions” table will define the conditions for actual device operation.
Note 3: IO Absolute Maximum Rating must be observed.
Note 4: Unused inputs must be held HIGH or LOW. They may not float.
DC Electrical Characteristics
Symbol
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
IOZ 3-STATE Output Leakage
IOFF Power-Off Leakage Current
Conditions
IOH = −100 µA
IOH = −8 mA
IOH = −12 mA
IOH = −18 mA
IOH = −24 mA
IOL = 100 µA
IOL = 8 mA
IOL = 12 mA
IOL = 16 mA
IOL = 24 mA
0 VI 5.5V
0 VO 5.5V
VI = VIH or VIL
VI or VO = 5.5V
VCC
(V)
2.3 2.7
2.7 3.6
2.3 2.7
2.7 3.6
2.3 3.6
2.3
2.7
3.0
3.0
2.3 3.6
2.3
2.7
3.0
3.0
2.3 3.6
2.3 3.6
0
TA = −40°C to +85°C
Min Max
1.7
2.0
0.7
0.8
VCC 0.2
1.8
2.2
2.4
2.2
0.2
0.6
0.4
0.4
0.55
±5.0
±5.0
10
Units
V
V
V
V
µA
µA
µA
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