[ /Title
(CD74
HC174
,
CD74
HCT17
4)
/Subject
(High
Speed
CMOS
Logic
Hex DType
FlipFlop
CD54HC174, CD74HC174,
CD54HCT174, CD74HCT174
Data sheet acquired from Harris Semiconductor
SCHS159C
High-Speed CMOS Logic
Hex D-Type Flip-Flop with Reset
August 1997 - Revised October 2003
Features
times is transferred to the Q output on the low to high
transition of the CLOCK input. The MR input, when low, sets
all outputs to a low state.
• Buffered Positive Edge Triggered Clock
• Asynchronous Common Reset
Each output can drive ten low power Schottky TTL
equivalent loads. The ’HCT174 is functional as well as, pin
compatible to the ’LS174.
• Fanout (Over Temperature Range)
- Standard Outputs . . . . . . . . . . . . . . . 10 LSTTL Loads
- Bus Driver Outputs . . . . . . . . . . . . . 15 LSTTL Loads
Ordering Information
• Wide Operating Temperature Range . . . -55oC to 125oC
• Balanced Propagation Delay and Transition Times
PART NUMBER
• Significant Power Reduction Compared to LSTTL
Logic ICs
• HC Types
- 2V to 6V Operation
- High Noise Immunity: NIL = 30%, NIH = 30% of VCC
at VCC = 5V
• HCT Types
- 4.5V to 5.5V Operation
- Direct LSTTL Input Logic Compatibility,
VIL= 0.8V (Max), VIH = 2V (Min)
- CMOS Input Compatibility, Il ≤ 1µA at VOL, VOH
Description
The ’HC174 and ’HCT174 are edge triggered flip-flops which
utilize silicon gate CMOS circuitry to implement D-type flipflops. They possess low power and speeds comparable to low
power Schottky TTL circuits. The devices contain six masterslave flip-flops with a common clock and common reset.
Data on the D input having the specified setup and hold
TEMP. RANGE
(oC)
CD54HC174F3A
-55 to 125
16 Ld CERDIP
CD54HCT174F3A
-55 to 125
16 Ld CERDIP
CD74HC174E
-55 to 125
16 Ld PDIP
CD74HC174M
-55 to 125
16 Ld SOIC
CD74HC174MT
-55 to 125
16 Ld SOIC
CD74HC174M96
-55 to 125
16 Ld SOIC
CD74HCT174E
-55 to 125
16 Ld PDIP
CD74HCT174M
-55 to 125
16 Ld SOIC
CD74HCT174MT
-55 to 125
16 Ld SOIC
CD74HCT174M96
-55 to 125
16 Ld SOIC
NOTE: When ordering, use the entire part number. The suffix 96
denotes tape and reel. The suffix T denotes a small-quantity reel of
250.
Pinout
CD54HC174, CD54HCT174
(CERDIP)
CD74HC174, CD74HCT174
(PDIP, SOIC)
TOP VIEW
MR 1
16 VCC
Q0 2
15 Q5
D0 3
14 D5
D1 4
13 D4
Q1 5
12 Q4
D2 6
11 D3
Q2 7
10 Q3
GND 8
9 CP
CAUTION: These devices are sensitive to electrostatic discharge. Users should follow proper IC Handling Procedures.
Copyright
© 2003, Texas Instruments Incorporated
PACKAGE
1
CD54HC174, CD74HC174, CD54HCT174, CD74HCT174
Functional Diagram
CP
CP
D
R
D0
Q0
D1
Q1
D2
Q2
D3
Q3
D4
Q4
D5
Q5
MR
TRUTH TABLE
INPUTS
OUTPUT
RESET (MR)
CLOCK CP
DATA Dn
Qn
L
X
X
L
H
↑
H
H
H
↑
L
L
H
L
X
Q0
H = High Voltage Level, L = Low Voltage Level, X = Irrelevant, ↑ = Transition from Low to
High Level, Q0 = Level Before the Indicated Steady-State Input Conditions Were Established
Logic Diagram
3 (4, 6, 11, 13, 14)
Dn
D
CL
CL
p
p
n
n
CL
CL
CL
CL
p
p
n
n
CL
CL
R
ONE OF SIX F/F
CL
CL
Q 2 (5, 7, 10, 12, 15)
Qn
CP
8
16
1
MR
TO OTHER FIVE F/F
VCC
9
CP
TO OTHER FIVE F/F
2
CD54HC174, CD74HC174, CD54HCT174, CD74HCT174
Absolute Maximum Ratings
Thermal Information
DC Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . -0.5V to 7V
DC Input Diode Current, IIK
For VI < -0.5V or VI > VCC + 0.5V . . . . . . . . . . . . . . . . . . . . . .±20mA
DC Output Diode Current, IOK
For VO < -0.5V or VO > VCC + 0.5V . . . . . . . . . . . . . . . . . . . .±20mA
DC Output Source or Sink Current per Output Pin, IO
For VO > -0.5V or VO < VCC + 0.5V . . . . . . . . . . . . . . . . . . . .±25mA
DC VCC or Ground Current, ICC or IGND . . . . . . . . . . . . . . . . . .±50mA
Thermal Resistance (Typical, Note 1)
θJA (oC/W)
E (PDIP) Package . . . . . . . . . . . . . . . . . . . . . . . . . .
67
M (SOIC) Package. . . . . . . . . . . . . . . . . . . . . . . . . .
73
Maximum Junction Temperature . . . . . . . . . . . . . . . . . . . . . . . 150oC
Maximum Storage Temperature Range . . . . . . . . . .-65oC to 150oC
Maximum Lead Temperature (Soldering 10s) . . . . . . . . . . . . . 300oC
(SOIC - Lead Tips Only)
Operating Conditions
Temperature Range (TA) . . . . . . . . . . . . . . . . . . . . . -55oC to 125oC
Supply Voltage Range, VCC
HC Types . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2V to 6V
HCT Types . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4.5V to 5.5V
DC Input or Output Voltage, VI, VO . . . . . . . . . . . . . . . . . 0V to VCC
Input Rise and Fall Time
2V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1000ns (Max)
4.5V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 500ns (Max)
6V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 400ns (Max)
CAUTION: Stresses above those listed in “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress only rating and operation
of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied.
NOTE:
1. The package thermal impedance is calculated in accordance with JESD 51-7.
DC Electrical Specifications
TEST
CONDITIONS
PARAMETER
SYMBOL
VI (V)
High Level Input
Voltage
VIH
-
Low Level Input
Voltage
VIL
25oC
IO (mA) VCC (V)
-40oC TO +85oC
-55oC TO 125oC
MIN
TYP
MAX
MIN
MAX
MIN
MAX
UNITS
2
1.5
-
-
1.5
-
1.5
-
V
4.5
3.15
-
-
3.15
-
3.15
-
V
6
4.2
-
-
4.2
-
4.2
-
V
2
-
-
0.5
-
0.5
-
0.5
V
4.5
-
-
1.35
-
1.35
-
1.35
V
6
-
-
1.8
-
1.8
-
1.8
V
-0.02
2
1.9
-
-
1.9
-
1.9
-
V
-0.02
4.5
4.4
-
-
4.4
-
4.4
-
V
-0.02
6
5.9
-
-
5.9
-
5.9
-
V
-4
4.5
3.98
-
-
3.84
-
3.7
-
V
-5.2
6
5.48
-
-
5.34
-
5.2
-
V
HC TYPES
High Level Output
Voltage
CMOS Loads
VOH
-
VIH or
VIL
High Level Output
Voltage
TTL Loads
Low Level Output
Voltage
CMOS Loads
VOL
VIH or
VIL
Low Level Output
Voltage
TTL Loads
Input Leakage
Current
Quiescent Device
Current
-
-
0.02
2
-
-
0.1
-
0.1
-
0.1
V
0.02
4.5
-
-
0.1
-
0.1
-
0.1
V
0.02
6
-
-
0.1
-
0.1
-
0.1
V
4
4.5
-
-
0.26
-
0.33
-
0.4
V
5.2
6
-
-
0.26
-
0.33
-
0.4
V
II
VCC or
GND
-
6
-
-
±0.1
-
±1
-
±1
µA
ICC
VCC or
GND
0
6
-
-
8
-
80
-
160
µA
3
CD54HC174, CD74HC174, CD54HCT174, CD74HCT174
DC Electrical Specifications
(Continued)
TEST
CONDITIONS
SYMBOL
VI (V)
High Level Input
Voltage
VIH
-
-
Low Level Input
Voltage
VIL
-
High Level Output
Voltage
CMOS Loads
VOH
VIH or
VIL
PARAMETER
25oC
IO (mA) VCC (V)
-40oC TO +85oC
-55oC TO 125oC
MIN
TYP
MAX
MIN
MAX
MIN
MAX
UNITS
4.5 to
5.5
2
-
-
2
-
2
-
V
-
4.5 to
5.5
-
-
0.8
-
0.8
-
0.8
V
-0.02
4.5
4.4
-
-
4.4
-
4.4
-
V
-4
4.5
3.98
-
-
3.84
-
3.7
-
V
0.02
4.5
-
-
0.1
-
0.1
-
0.1
V
4
4.5
-
-
0.26
-
0.33
-
0.4
V
HCT TYPES
High Level Output
Voltage
TTL Loads
Low Level Output
Voltage
CMOS Loads
VOL
VIH or
VIL
Low Level Output
Voltage
TTL Loads
Input Leakage
Current
Quiescent Device
Current
Additional Quiescent
Device Current Per
Input Pin: 1 Unit Load
II
VCC to
GND
0
5.5
-
-
±0.1
-
±1
-
±1
µA
ICC
VCC or
GND
0
5.5
-
-
8
-
80
-
160
µA
∆ICC
(Note 2)
VCC
-2.1
-
4.5 to
5.5
-
100
360
-
450
-
490
µA
NOTE:
2. For dual-supply systems theoretical worst case (VI = 2.4V, VCC = 5.5V) specification is 1.8mA.
HCT Input Loading Table
INPUT
UNIT LOADS
CP
0.80
MR
0.55
D
0.15
NOTE: Unit Load is ∆ICC limit specified in DC Electrical
Specifications table, e.g. 360µA max at 25oC.
Prerequisite For Switching Function
PARAMETER
SYMBOL
TEST
CONDITIONS VCC (V)
25oC
-40oC TO 85oC -55oC TO 125oC
MIN
MAX
MIN
MAX
MIN
MAX
UNITS
2
80
-
100
-
120
-
ns
4.5
16
-
20
-
24
-
ns
6
14
-
17
-
20
-
ns
2
80
-
100
-
120
-
ns
4.5
16
-
20
-
24
-
ns
6
14
-
17
-
20
-
ns
HC TYPES
Clock Pulse Width
MR Pulse Width
tw
tw
-
-
4
CD54HC174, CD74HC174, CD54HCT174, CD74HCT174
Prerequisite For Switching Function
PARAMETER
SYMBOL
Setup Time, Data to Clock
(Continued)
TEST
CONDITIONS VCC (V)
tSU
Hold Time, Data to Clock
Removal Time, MR to Clock
Clock Frequency
MAX
MIN
MAX
MIN
MAX
UNITS
2
60
-
75
-
90
-
ns
4.5
12
-
15
-
18
-
ns
6
10
-
13
-
15
-
ns
2
5
-
5
-
5
-
ns
4.5
5
-
5
-
5
-
ns
6
5
-
5
-
5
-
ns
2
5
-
5
-
5
-
ns
4.5
5
-
5
-
5
-
ns
6
5
-
5
-
5
-
ns
2
6
-
5
-
4
-
MHz
4.5
30
-
24
-
20
-
MHz
6
35
-
28
-
24
-
MHz
-
tREM
-
fMAX
-40oC TO 85oC -55oC TO 125oC
MIN
-
tH
25oC
-
HCT TYPES
Clock Pulse Width
tw
-
4.5
20
-
25
-
30
-
ns
MR Pulse Width
tw
-
6
25
-
31
-
38
-
ns
Setup Time, Data to Clock
tSU
-
4.5
16
-
20
-
24
-
ns
Hold Time, Data to Clock
tH
-
6
5
-
5
-
5
-
ns
Removal Time, MR to Clock
tREM
-
4.5
12
-
15
-
18
-
ns
Clock Frequency
fMAX
-
6
25
-
20
-
17
-
MHz
Switching Specifications
PARAMETER
Input tr, tf = 6ns
SYMBOL
TEST
CONDITIONS
tPLH, tPHL
CL = 50pF
25oC
-40oC TO 85oC -55oC TO 125oC
VCC (V)
TYP
MAX
MAX
MAX
UNITS
2
-
165
205
250
ns
4.5
-
33
41
50
ns
6
-
28
35
43
ns
CL = 15pF
5
13
-
-
-
ns
CL = 50pF
2
-
150
190
225
ns
4.5
-
30
38
45
ns
6
-
26
33
38
ns
CL = 15pF
5
12
-
-
-
ns
CL = 50pF
2
-
75
95
110
ns
4.5
-
15
19
22
ns
6
-
13
16
19
ns
HC TYPES
Propagation Delay, Clock to Q
Propagation Delay, MR to Q
Output Transition Times
tPLH, tPHL
tTLH, tTHL
Input Capacitance
CIN
-
-
-
10
10
10
pF
Power Dissipation
Capacitance
(Notes 3, 4)
CPD
-
5
38
-
-
-
pF
5
CD54HC174, CD74HC174, CD54HCT174, CD74HCT174
Switching Specifications
PARAMETER
Input tr, tf = 6ns (Continued)
SYMBOL
TEST
CONDITIONS
tPLH, tPHL
25oC
-40oC TO 85oC -55oC TO 125oC
VCC (V)
TYP
MAX
MAX
MAX
UNITS
CL = 50pF
4.5
-
40
50
60
ns
CL = 15pF
5
17
-
-
-
ns
CL = 50pF
4.5
-
44
55
66
ns
CL = 15pF
5
18
-
-
-
ns
CL = 50pF
4.5
-
15
19
22
ns
HCT TYPES
Propagation Delay, Clock to Q
Propagation Delay, MR to Q
tPLH, tPHL
Output Transition Times
tTLH, tTHL
Input Capacitance
CIN
-
-
-
10
10
10
pF
Power Dissipation
Capacitance
(Notes 3, 4)
CPD
-
5
44
-
-
-
pF
NOTES:
3. CPD is used to determine the dynamic power consumption, per flip-flop.
4. PD = VCC2 fi + ∑ (CL VCC2 + fO) where fi = Input Frequency, fO = Input Frequency, CL = Output Load Capacitance, VCC = Supply Voltage.
Test Circuits and Waveforms
CLOCK
INPUT
trCL
tfCL
trCL
VCC
90%
GND
tH(H)
GND
tH(H)
VCC
DATA
INPUT
50%
tH(L)
3V
1.3V
1.3V
1.3V
GND
tSU(H)
tSU(H)
tSU(L)
tTLH
90%
OUTPUT
tTHL
90%
50%
10%
tTLH
90%
1.3V
OUTPUT
tREM
3V
SET, RESET
OR PRESET
GND
tTHL
1.3V
10%
FIGURE 1. HC SETUP TIMES, HOLD TIMES, REMOVAL TIME,
AND PROPAGATION DELAY TIMES FOR EDGE
TRIGGERED SEQUENTIAL LOGIC CIRCUITS
tPHL
1.3V
GND
IC
CL
50pF
GND
90%
tPLH
50%
IC
tSU(L)
tPHL
tPLH
tREM
VCC
SET, RESET
OR PRESET
1.3V
0.3V
tH(L)
DATA
INPUT
3V
2.7V
CLOCK
INPUT
50%
10%
tfCL
CL
50pF
FIGURE 2. HCT SETUP TIMES, HOLD TIMES, REMOVAL TIME,
AND PROPAGATION DELAY TIMES FOR EDGE
TRIGGERED SEQUENTIAL LOGIC CIRCUITS
6
PACKAGE OPTION ADDENDUM
www.ti.com
18-Nov-2023
PACKAGING INFORMATION
Orderable Device
Status
(1)
Package Type Package Pins Package
Drawing
Qty
Eco Plan
(2)
Lead finish/
Ball material
MSL Peak Temp
Op Temp (°C)
Device Marking
(3)
Samples
(4/5)
(6)
5962-8974301EA
ACTIVE
CDIP
J
16
25
Non-RoHS
& Green
SNPB
N / A for Pkg Type
-55 to 125
5962-8974301EA
CD54HCT174F3A
Samples
CD54HC174F
ACTIVE
CDIP
J
16
25
Non-RoHS
& Green
SNPB
N / A for Pkg Type
-55 to 125
CD54HC174F
Samples
CD54HC174F3A
ACTIVE
CDIP
J
16
25
Non-RoHS
& Green
SNPB
N / A for Pkg Type
-55 to 125
8407301EA
CD54HC174F3A
Samples
CD54HCT174F
ACTIVE
CDIP
J
16
25
Non-RoHS
& Green
SNPB
N / A for Pkg Type
-55 to 125
CD54HCT174F
Samples
CD54HCT174F3A
ACTIVE
CDIP
J
16
25
Non-RoHS
& Green
SNPB
N / A for Pkg Type
-55 to 125
5962-8974301EA
CD54HCT174F3A
Samples
CD74HC174E
ACTIVE
PDIP
N
16
25
RoHS & Green
NIPDAU
N / A for Pkg Type
-55 to 125
CD74HC174E
Samples
CD74HC174M
LIFEBUY
SOIC
D
16
40
RoHS & Green
NIPDAU
Level-1-260C-UNLIM
-55 to 125
HC174M
CD74HC174M96
ACTIVE
SOIC
D
16
2500
RoHS & Green
NIPDAU
Level-1-260C-UNLIM
-55 to 125
HC174M
Samples
CD74HC174M96E4
ACTIVE
SOIC
D
16
2500
RoHS & Green
NIPDAU
Level-1-260C-UNLIM
-55 to 125
HC174M
Samples
CD74HCT174E
ACTIVE
PDIP
N
16
25
RoHS & Green
NIPDAU
N / A for Pkg Type
-55 to 125
CD74HCT174E
Samples
CD74HCT174M
LIFEBUY
SOIC
D
16
40
RoHS & Green
NIPDAU
Level-1-260C-UNLIM
-55 to 125
HCT174M
CD74HCT174M96
ACTIVE
SOIC
D
16
2500
RoHS & Green
NIPDAU
Level-1-260C-UNLIM
-55 to 125
HCT174M
CD74HCT174MT
LIFEBUY
SOIC
D
16
250
RoHS & Green
NIPDAU
Level-1-260C-UNLIM
-55 to 125
HCT174M
(1)
The marketing status values are defined as follows:
ACTIVE: Product device recommended for new designs.
LIFEBUY: TI has announced that the device will be discontinued, and a lifetime-buy period is in effect.
NRND: Not recommended for new designs. Device is in production to support existing customers, but TI does not recommend using this part in a new design.
PREVIEW: Device has been announced but is not in production. Samples may or may not be available.
OBSOLETE: TI has discontinued the production of the device.
(2)
RoHS: TI defines "RoHS" to mean semiconductor products that are compliant with the current EU RoHS requirements for all 10 RoHS substances, including the requirement that RoHS substance
do not exceed 0.1% by weight in homogeneous materials. Where designed to be soldered at high temperatures, "RoHS" products are suitable for use in specified lead-free processes. TI may
reference these types of products as "Pb-Free".
RoHS Exempt: TI defines "RoHS Exempt" to mean products that contain lead but are compliant with EU RoHS pursuant to a specific EU RoHS exemption.
Addendum-Page 1
Samples
PACKAGE OPTION ADDENDUM
www.ti.com
18-Nov-2023
Green: TI defines "Green" to mean the content of Chlorine (Cl) and Bromine (Br) based flame retardants meet JS709B low halogen requirements of