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74FR16540 PDF даташит

Спецификация 74FR16540 изготовлена ​​​​«Fairchild» и имеет функцию, называемую «16-Bit Buffer/Line Driver with 3-STATE Outputs».

Детали детали

Номер произв 74FR16540
Описание 16-Bit Buffer/Line Driver with 3-STATE Outputs
Производители Fairchild
логотип Fairchild логотип 

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74FR16540 Даташит, Описание, Даташиты
October 1989
Revised August 1999
74FR16540
16-Bit Buffer/Line Driver with 3-STATE Outputs
General Description
The 74FR16540 contains sixteen inverting buffers with 3-
STATE outputs designed to be employed as a memory and
address driver, clock driver, or bus-oriented transmitter/
receiver. The device is byte controlled. Each byte has sep-
arate 3-STATE control inputs which can be shorted
together for full 16-bit operation.
Features
s Inverting buffers
s 3-STATE outputs drive bus lines
s Output sink capability of 64 mA, source capability of
15 mA
s Separate 3-STATE control pins for each byte
s Guaranteed 4000V minimum ESD protection
s Guaranteed multiple output switching, 250 pF delays
and pin-to-pin skew
s 16-bit version of the 74F540, 74F240, or 74FR240
Ordering Code:
Order Number Package Number
Package Description
74FR16540QC
V44A
44-Lead Plastic Lead Chip Carrier (PLCC), JEDEC MO-047, 0.650 Square
74FR16540SSC
MS48A
48-Lead Small Shrink Outline Package (SSOP), JEDEC MO-118, 0.300 Wide
Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.
Connection Diagrams
Pin Assignment for SSOP
Pin Assignment for PLCC
Logic Symbol
© 1999 Fairchild Semiconductor Corporation DS010615
www.fairchildsemi.com









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74FR16540 Даташит, Описание, Даташиты
Pin Descriptions
Pin Names
OEn
I0–I15
O0–O15
Description
Output Enable Inputs
Inputs
3-STATE Outputs
Truth Table
H = HIGH Voltage Level
L = LOW Voltage Level
X = Immaterial
Z = High Impedance
Inputs
Outputs
Byte1 [0:7] Byte2 [8:15]
I0–I7 I8–I15 O0–O7 O8–O15
OE1 OE2 OE3 OE4
L L L LHH
L
L
HXL LXL
Z
H
XHL LXH
Z
L
L LHXLX H
Z
L LXHHX
HHHHX X
LLLLLL
L
Z
H
Z
Z
H
Logic Diagram
www.fairchildsemi.com
2









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74FR16540 Даташит, Описание, Даташиты
Absolute Maximum Ratings(Note 1)
Storage Temperature
65°C to +150°C
Ambient Temperature under Bias
55°C to +125°C
Junction Temperature under Bias
55°C to +150°C
VCC Pin Potential to Ground Pin
Input Voltage (Note 2)
0.5V to +7.0V
0.5V to +7.0V
Input Current (Note 2)
30 mA to +5.0 mA
Voltage Applied to Output
in HIGH State (with VCC = 0V)
Standard Output
3-STATE Output
0.5V to VCC
0.5V to +5.5V
Current Applied to Output
in LOW State (Max)
Twice the Rated IOL (mA)
ESD Last Passing Voltage (Min)
4000V
Recommended Operating
Conditions
Free Air Ambient Temperature
Supply Voltage
0°C to +70°C
+4.5V to +5.5V
Note 1: Absolute maximum ratings are values beyond which the device
may be damaged or have its useful life impaired. Functional operation
under these conditions is not implied.
Note 2: Either voltage limit or current limit is sufficient to protect inputs.
DC Electrical Characteristics
Symbol
Parameter
VIH Input HIGH Voltage
VIL Input LOW Voltage
VCD Input Clamp Diode Voltage
VOH Output HIGH Voltage
VOL
IIH
IBVI
IIL
IOS
IOZH
IOZL
ICEX
VID
Output LOW Voltage
Input HIGH Current
Input HIGH Current
Breakdown Test
Input LOW Current
Output Short-Circuit Current
Output Leakage Current
Output Leakage Current
Output HIGH Leakage Current
Input Leakage Test
IOD
IZZ
ICCH
ICCL
ICCZ
CIN
Output Circuit
Leakage Current
Bus Drainage Test
Power Supply Current
Power Supply Current
Power Supply Current
Input Capacitance
Min
Typ
Max
Units
VCC
Conditions
2.0 V Recognized as a HIGH Signal
0.8 V
Recognized as a LOW Signal
1.2 V Min IIN = −18 mA
2.4 V Min IOH = −3 mA
2.0 IOH = −15 mA
0.55 V Min IOL = 64 mA
5.0 µA Max VIN = 2.7V
7.0 µA Max VIN = 7.0V
(OEn)
120 µA Max VIN = 0.5V
100
225 mA Max VOUT = 0V
0 20 µA Max VOUT = 2.7V
0 20 µA Max VOUT = 0.5V
50 µA Max VOUT = VCC
4.75
V 0.0 IID = 1.9 µA
All Other Pins Grounded
3.75
µA
0.0 VIOD = 150 mV
All Other Pins Grounded
100 µA 0.0 VOUT = 5.25V
14 20 mA Max VO = HIGH
75 92 mA Max VO = LOW
38 50 mA Max VO = HIGH Z
8 pF 5.0
3 www.fairchildsemi.com










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