MC74F164AN 查看數據表（PDF） - Motorola => Freescale
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MC74F164AN Datasheet PDF : 3 Pages
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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
X
X
L
L–L
Shift
H
l
l
L
q0–q6
H
l
h
L
q0–q6
H
h
l
L
q0–q6
H
h
h
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
FAST™ SHOTTKY 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
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