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93L28 PDF даташит

Спецификация 93L28 изготовлена ​​​​«National Semiconductor» и имеет функцию, называемую «Dual 8-Bit Shift Register».

Детали детали

Номер произв 93L28
Описание Dual 8-Bit Shift Register
Производители National Semiconductor
логотип National Semiconductor логотип 

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93L28 Даташит, Описание, Даташиты
June 1989
93L28
Dual 8-Bit Shift Register
General Description
The 93L28 is a high speed serial storage element providing
16 bits of storage in the form of two 8-bit registers The
multifunctional capability of this device is provided by sever-
al features 1) additional gating is provided at the input to
both shift registers so that the input is easily multiplexed
between two sources 2) the clock of each register may be
provided separately or together 3) both the true and com-
plementary outputs are provided from each 8-bit register
and both registers may be master cleared from a common
input
Features
Y 2-input multiplexer provided at data input of each
register
Y Gated clock input circuitry
Y Both true and complementary outputs provided from
last bit of each register
Y Asynchronous master reset common to both registers
Connection Diagram
Dual-In-Line Package
Logic Symbol
TL F 10200 – 1
Order Number 93L28DMQB or 93L28FMQB
See NS Package Number J16A or W16A
VCC e Pin 16
GND e Pin 8
Pin
Names
S
D0 D1
CP
MR
Q7
Q7
Description
Data Select Input
Data Inputs
Clock Pulse Input (Active HIGH)
Common (Pin 9)
Separate (Pins 7 and 10)
Master Reset Input (Active LOW)
Last Stage Output
Complementary Output
TL F 10200 – 2
C1995 National Semiconductor Corporation TL F 10200
RRD-B30M105 Printed in U S A









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93L28 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
7V
Input Voltage
5 5V
Operating Free Air Temperature Range
MIL b55 C to a125 C
Storage Temperature Range
b65 C to a150 C
Recommended Operating Conditions
Symbol
Parameter
VCC
VIH
VIL
IOH
IOL
TA
ts(H)
ts(L)
th(H)
th(L)
tw(H)
tw(L)
tw(L)
tw(L)
Supply Voltage
High Level Input Voltage
Low Level Input Voltage
High Level Output Current
Low Level Output Current
Free Air Operating Temperature
Setup Time HIGH or LOW
Dn to CP
Hold Time HIGH or LOW
Dn to CP
Clock Pulse Width
HIGH or LOW
MR Pulse Width with CP HIGH
MR Pulse Width with CP LOW
Note The ‘‘Absolute Maximum Ratings’’ are those values
beyond which the safety of the device cannot be guaran-
teed The device should not be operated at these limits The
parametric values defined in the ‘‘Electrical Characteristics’’
table are not guaranteed at the absolute maximum ratings
The ‘‘Recommended Operating Conditions’’ table will define
the conditions for actual device operation
Min
45
2
b55
30
30
0
0
55
55
60
70
93L28 (MIL)
Nom
5
Max
55
07
b400
48
125
Units
V
V
V
mA
mA
C
ns
ns
ns
ns
ns
2









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93L28 Даташит, Описание, Даташиты
Electrical Characteristics over recommended operating free air temperature (unless otherwise noted)
Symbol
Parameter
Conditions
Min
VI
VOH
VOL
II
Input Clamp Voltage
High Level Output Voltage
Low Level Output Voltage
Input Current Max
Input Voltage
VCC e Min II e b10 mA
VCC e Min IOH e Max
VIL e Max VIH e Min
VCC e Min IOL e Max
VIH e Min VIL e Max
VCC e Max VI e 5 5V
24
IIH HIGH Level
Input Current
VCC e Max VI e 2 4V
MR Dx
CP (7 10)
S
CP Com
IIL LOW Level
Input Current
VCC e Max VI e 0 3V
MR Dx
CP (7 10)
S
CP Com
IOS Short Circuit
Output Current
VCC e Max
(Note 2)
b2 5
ICC Supply Current
VCC e Max
Note 1 All typicals are at VCC e 5V TA e 25 C
Note 2 Not more than one output should be shorted at a time and the duration should not exceed one second
Typ
(Note 1)
Max
b1 5
03
1
20
30
40
60
b400
b600
b800
b1200
b25
25 3
Units
V
V
V
mA
mA
mA
mA
mA
Switching Characteristics
VCC e a5 0V TA e a25 C (See Section 1 for test waveforms and output load)
Symbol
Parameter
CL e 15 pF
Min Max
fmax
tPLH
tPHL
tPHL
Maximum Shift Right Frequency
Propagation Delay
CP to Q7 or Q7
Propagation Delay MR to Q7
50
45
80
110
Units
MHz
ns
ns
3










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