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SN74LS175N データシートの表示(PDF) - Motorola => Freescale

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SN74LS175N
Motorola
Motorola => Freescale Motorola
SN74LS175N Datasheet PDF : 5 Pages
1 2 3 4 5
SN54 / 74LS175
FUNCTIONAL DESCRIPTION
The LS175 consists of four edge-triggered D flip-flops with
individual D inputs and Q and Q outputs. The Clock and
Master Reset are common. The four flip-flops will store the
state of their individual D inputs on the LOW to HIGH Clock
(CP) transition, causing individual Q and Q outputs to follow. A
LOW input on the Master Reset (MR) will force all Q outputs
LOW and Q outputs HIGH independent of Clock or Data
inputs.
The LS175 is useful for general logic applications where a
common Master Reset and Clock are acceptable.
TRUTH TABLE
Inputs (t = n, MR = H)
Outputs (t = n+1) Note 1
D
Q
Q
L
L
H
H
H
L
Note 1: t = n + 1 indicates conditions after next clock.
GUARANTEED OPERATING RANGES
Symbol
Parameter
VCC
Supply Voltage
TA
Operating Ambient Temperature Range
IOH
Output Current — High
IOL
Output Current — Low
Min
Typ
Max
Unit
54
4.5
5.0
5.5
V
74
4.75
5.0
5.25
54
– 55
25
125
°C
74
0
25
70
54, 74
– 0.4
mA
54
4.0
mA
74
8.0
DC CHARACTERISTICS OVER OPERATING TEMPERATURE RANGE (unless otherwise specified)
Limits
Symbol
Parameter
Min Typ Max Unit
Test Conditions
VIH
Input HIGH Voltage
2.0
V
Guaranteed Input HIGH Voltage for
All Inputs
54
VIL
Input LOW Voltage
74
0.7
Guaranteed Input LOW Voltage for
0.8
V
All Inputs
VIK
VOH
Input Clamp Diode Voltage
54
Output HIGH Voltage
74
– 0.65 – 1.5
2.5
3.5
2.7
3.5
V
VCC = MIN, IIN = – 18 mA
V
VCC = MIN, IOH = MAX, VIN = VIH
V
or VIL per Truth Table
VOL
Output LOW Voltage
54, 74
74
0.25 0.4
0.35 0.5
V
IOL = 4.0 mA
V
IOL = 8.0 mA
VCC = VCC MIN,
VIN = VIL or VIH
per Truth Table
IIH
Input HIGH Current
20
µA VCC = MAX, VIN = 2.7 V
0.1
mA VCC = MAX, VIN = 7.0 V
IIL
Input LOW Current
– 0.4 mA VCC = MAX, VIN = 0.4 V
IOS
Short Circuit Current (Note 1)
– 20
– 100 mA VCC = MAX
ICC
Power Supply Current
18
Note 1: Not more than one output should be shorted at a time, nor for more than 1 second.
mA VCC = MAX
FAST AND LS TTL DATA
5-328

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