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Motorola Electronic Components Datasheet

MC54F164 Datasheet

8-Bit Serial-In Parallel-Out Shift Register

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MC54F164 pdf
8-BIT SERIAL-IN, PARALLEL-OUT
SHIFT REGISTER
The MC54/74F164 is a high-speed 8-bit serial-in/parallel-out shift register.
Serial data is entered through a 2-input AND gate synchronous with the
LOW-to-HIGH transition of the clock. The device features an asynchronous
Master Reset which clears the register, setting all outputs LOW independent
of the clock.
Typical Shift Frequency of 90 MHz
Asynchronous Master Reset
Gated Serial Data Input
Fully Synchronous Data Transfers
CONNECTION DIAGRAM
VCC Q7 Q6 Q5 Q4 MR CP
14 13 12 11 10 9 8
1234567
A B Q0 Q1 Q2 Q3 GND
MODE SELECT TABLE
Inputs
Outputs
Operating Mode MR A B Q0 Q1 –Q7
Reset (Clear)
L XX
L
L–L
Shift
H l l L q0–q6
H lh
L
q0–q6
H h l L q0–q6
H hh
H
q0–q6
H(h) = HIGH Voltage Levels
L(l) = LOW Voltage Levels
X = Don’t Care
qn = Lower case letters indicate the state of the referenced input or output one setup time prior to
the LOW-to-HIGH clock transition.
MC54/74F164
8-BIT SERIAL-IN, PARALLEL-OUT
SHIFT REGISTER
FASTSHOTTKY TTL
14
1
J SUFFIX
CERAMIC
CASE 632-08
14
1
N SUFFIX
PLASTIC
CASE 646-06
14
1
D SUFFIX
SOIC
CASE 751A-02
ORDERING INFORMATION
MC54FXXXJ
MC74FXXXN
MC74FXXXD
Ceramic
Plastic
SOIC
LOGIC SYMBOL
1A
2B
8 CP
MR Q0 Q1 Q2 Q3 Q4 Q5 Q6 Q7
9 3 4 5 6 10 11 12 13
VCC = PIN 14
GND = PIN 7
FAST AND LS TTL DATA
4-79


Motorola Electronic Components Datasheet

MC54F164 Datasheet

8-Bit Serial-In Parallel-Out Shift Register

No Preview Available !

MC54F164 pdf
MC54/74F164
LOGIC DIAGRAM
A
B
DQ
DQ
DQ
DQ
DQ
DQ
DQ
DQ
CD CD CD CD CD CD CD CD
CP
MR
Q0 Q1 Q2 Q3 Q4
Q5 Q6 Q7
FUNCTIONAL DESCRIPTION
The F164 is an edge-triggered 8-bit shift register with se-
rial data entry and an output from each of the eight stages.
Data is entered serially through one of two inputs (A or B); ei-
ther of these inputs can be used as an active HIGH Enable
for data entry through the other input. An unused input must
be tied HIGH.
GUARANTEED OPERATING RANGES
Symbol
Parameter
VCC
TA
Supply Voltage
Operating Ambient Temperature Range
IOH Output Current High
IOL Output Current Low
Each LOW-to-HIGH transition on the Clock (CP) input
shifts data one place to the right and enters into Q0 the logical
AND of the two data inputs (A B) that existed before the rising
clock edge. A LOW level on the Master Reset (MR) input over-
rides all other inputs and clears the register asynchronously,
forcing all Q outputs LOW.
Min Typ Max Unit
54, 74
4.5
5.0
5.5
V
54 –55 25 125 °C
74 0 25 70
54, 74
–1.0 mA
54, 74
20 mA
DC CHARACTERISTICS OVER OPERATING TEMPERATURE RANGE (unless otherwise specified)
Limits
Symbol
Parameter
Min Typ Max Unit
Test Conditions
VIH
VIL
VIK
VOH
VOL
IIH
IIL
IOS
ICC
Input HIGH Voltage
Input LOW Voltage
Input Clamp Diode Voltage
Output HIGH Voltage
Output LOW Voltage
Input HIGH Current
2.0
54, 74
74
2.5
2.7
Input LOW Current
Output Short Circuit Current (Note 2)
Power Supply Current
–60
V Guaranteed Input HIGH Voltage
0.8 V Guaranteed Input LOW Voltage
–1.2 V VCC = MIN, IIN = –18 mA
V IOH = –1.0 mA VCC = MIN
V IOH = –1.0 mA VCC = 4.75 V
0.5 V IOL = 20 mA VCC = MIN
20 µA VCC = MAX, VIN = 2.7 V
0.1 mA VCC = MAX, VIN = 7.0 V
–0.6 mA VCC = MAX, VIN = 0.5 V
–150
mA VCC = MAX, VOUT = 0 V
35 55 mA A, B = GND, VCC = MAX
CP = HIGH, MR = GND
NOTES:
1. For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions for the applicable device type.
2. Not more than one output should be shorted at a time, nor for more than 1 second.
FAST AND LS TTL DATA
4-80


Part Number MC54F164
Description 8-Bit Serial-In Parallel-Out Shift Register
Maker Motorola Semiconductor
Total Page 3 Pages
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