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CGS2536TV PDF даташит

Спецификация CGS2536TV изготовлена ​​​​«National Semiconductor» и имеет функцию, называемую «Commercial/ Industrial Quad 1 to 4 Clock Drivers».

Детали детали

Номер произв CGS2536TV
Описание Commercial/ Industrial Quad 1 to 4 Clock Drivers
Производители National Semiconductor
логотип National Semiconductor логотип 

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CGS2536TV Даташит, Описание, Даташиты
September 1995
CGS2536V
Commercial Quad 1 to 4 Clock Drivers
CGS2536TV
Industrial Quad 1 to 4 Clock Drivers
General Description
These Clock Generation and Support clock drivers are spe-
cifically designed for driving memory arrays requiring large
fanouts while operating at high speeds
This device meets the rise and fall time requirements of the
90 MHz and 100 MHz PentiumTM procrssors
The CGS2536 I O structures are CMOS The outputs are
separated into two banks of eight One bank consists of
divide by two outputs the other straight-through buffers
Within each bank half the outputs are inverting the other
half non-inverting
The CGS2536 specification guarantees part-to-part skew
variation
Features
Y Guaranteed
1 0 ns rise and fall times while driving 12 inches of
50X microstrip terminated with 25 pF
350 ps pin-to-pin skew (tOSLH and tOSHL)
Y 650 ps part-to-part variation on positive or negative
transition
Y Operates with either 3 3V or 5 0V supply
Y Inputs 5V tolerant with VCC in 3 3V range
Y Symmetric output current drive 24 mA IOH IOL
Y Industrial temperature of b40 C to a85 C
Y Symmetric package orientation
Y Large fanout for memory driving applications
Y Guaranteed 2 kV ESD protection
Y Implemented on National’s ABT family process
Y 28-pin PLCC for optimum skew performance
Connection Diagrams
Pin Assignment for 28-Pin PLCC
Truth Table
Input
In 0
In 1
In 2
In 3
Output
ABCD Out (0) d 2
ABCD Out (1) d 2
ABCD Out (2)
ABCD Out (3)
PentiumTM is a trademark of Intel Corporation
C1995 National Semiconductor Corporation TL F 12325
TL F 12325 – 1
CGS2536
TL F 12325 – 2
RRD-B30M105 Printed in U S A









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CGS2536TV Даташит, Описание, Даташиты
Absolute Maximum Ratings (Note)
If Military Aerospace specified devices are required
please contact the National Semiconductor Sales
Office Distributors for availability and specifications
Supply Voltage (VCC)
Input Voltage (VI)
Input Current
7 0V
7 0V
b30 mA
Current Applied to Output
(High Low)
Twice the Rated IOH IOL
Operating Temperature
Industrial Grade
Commercial grade
b40 C to a85 C
0 C to a70 C
Storage Temperature Range
b65 C to a150 C
Airflow
0 LFM
225 LFM
500 LFM
900 LFM
Typical iJA
62 C W
43 C W
34 C W
27 C W
Recommended Operating
Conditions
Supply Voltage
VCC 4 5V to 5 5V
VCC 3 0V to 3 6V
Maximum Input Rise Fall Time (0 8V to 2 0V)
5 ns
Free Air Operating Temperature
Commercial
Industrial
0 C to a 70 C
b40 C to a 85 C
Note The Absolute Maximum Ratings are those values beyond which the
safety of the device cannot be guaranteed The device should not be operat-
ed at these limits The parametric values defined in the DC and AC Electrical
Characteristics tables are not guaranteed at the absolute maximum ratings
The Recommended Operating Conditions will define the conditions for actu-
al device operation
DC Electrical Characteristics
Over recommended operating free air temperature range All typical values are measured at VCC e 5V TA e 25 C
Symbol
Parameter
Conditions
VCC
(V)
Min Typ Max
VIH Input High Level Voltage
30 21
4 5 3 15
5 5 3 85
VIL Input Low Level Voltage
30 09
4 5 1 35
5 5 1 65
VIK Input Clamp Voltage
VOH High Level Output Voltage
II e b18 mA
IOH e b50 mA
45
30 29
45 44
b1 2
55 54
IOH e b24 mA
3 0 2 46
4 5 3 76
5 5 4 76
VOL Low Level Output Voltage
IOL e 50 mA
30
45
01
01
55 01
IOL e 24 mA
30
45
0 44
0 44
5 5 0 44
II
IIH
IIL
IOLD
IOHD
ICC
Input Current Max Input Voltage
High Level Input Current
Low Level Input Current
Minimum Dynamic Output Current
Minimum Dynamic Output Current
Supply Current
VIH e 7V
VIH e VCC
VIH e VCC
VIL e 0V
VOLD e 1 65V (max)
VOLD e 0 9V (max)
VOHD e 3 85V (min)
VOHD e 2 1V (min)
55
36
55
55
55
30
55
30
36
55
b5
75
36
b75
b25
7
1
5
75
235
CIN Input Capacitance
Maximum test duration 2 0 ms one output loaded at a time
At VCC e 3 3V IOLD e 55 mA min VCC e 3 6V IOLD e 64 mA min
At VCC e 3 3V IOHD e b58 mA min VCC e 3 6V IOHD e b66 mA min
50
5
2
Units
V
V
V
V
V
V
V
mA
mA
mA
mA
mA
mA
pF









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CGS2536TV Даташит, Описание, Даташиты
AC Electrical Characteristics (Notes 1 2 and 3)
Over recommended operating free air temperature range All typical values are measured at VCC e 5V TA e 25 C
CGS2536
Symbol
Parameter
VCC
(V)
(Note 8)
TA e a25 C
CL e 50 pF RL e 500X
Min Typ Max
TA e b40 C to a85 C
(Note 4)
CL e 50 pF RL e 500X
Min Typ Max
Units
fmax
Frequency Maximum
30
50
100 MHz
125
tPLH
tPHL
tOSLH
Low-to-High Propagation Delay
CK to On
High-to-Low Propagation Delay
CK to On
Maximum Skew Common Edge
Output-to-Output Variation (Notes 1 3)
33
50
33
50
33
50
7 25
50
55
45
150 350
150 350
7 25
50
55
45
300 350
300 350
ns
ns
ps
tOSHL
Maximum Skew Common Edge
Output-to-Output Variation (Notes 1 3)
33
50
150 350
150 350
300 350 ps
300 350
trise
tfall
trise
tfall
trise
tfall
tHigh
tLow
Rise Fall Time
(from 0 8V 2 0V to 2 0V 0 8V) (Note 5)
Rise Fall Time
(from 0 8V 2 0V to 2 0V 0 8V) (Note 6)
Rise Fall Time
(from 0 8V 2 0V to 2 0V 0 8V) (Note 7)
Pulse Width Duration High (Notes 2 3)
Pulse Width Duration Low (Notes 2 3)
33
50
33
50
33
50
33
50
33
50
40
40
40
40
45
35
08
04
10
07
40
40
40
40
45
35
ns
1 0 ns
06
1 0 ns
09
ns
tPVLH
tPVHL
Part-to-Part Variation of
Low-to-High Transitions
Part-to-Part Variation of
High-to-Low Transitions
33
50
33
50
650 650
650 650
ps
650 650
650 650
Note 1 Output-to-Output Skew is defined as the absolute value of the difference between the actual propagation delay for any outputs within the same packaged
device The specifications apply to any outputs switching in the same direction either LOW to HIGH (tOSLH) or HIGH to LOW (tOSHL)
Note 2 Time high is measured with outputs at 2 0V or above Time low is measured with outputs at 0 8V or below Input waveform characteristics for tHigh tLow
measurement f e 66 67 MHz duty cycle e 50%
Note 3 The input waveform has a rise and fall time transition time of 2 5 ns (10% to 90%)
Note 4 Industrial range (b40 C to a85 C) limits apply to the commercial temperature range (0 C to a70 C)
Note 5 These Rise and Fall times are measured with CL e 50 pF RL e 500X (see Figure 3 )
Note 6 These Rise and Fall times are measured with CL e 25 pF RL e 500X (see Figure 3 ) and are guaranteed by design
Note 7 These Rise and Fall times are measured driving 12 inches of 50X microstrip terminated with equivalent CL e 25 pF (see Figure 4 ) and are guaranteed by
design
Note 8 Voltage Range 5 0 is 5 0V g 0 5V 3 3 is 3 3V g 0 3V
Note 9 For increased output drive output pins may be connected together when the corresponding input pins are connected together
3










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Номер в каталогеОписаниеПроизводители
CGS2536TVCommercial/ Industrial Quad 1 to 4 Clock DriversNational Semiconductor
National Semiconductor

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