ETC HD74HC374/HD74HC534

HD74HC374/HD74HC534
Octal D-type Flip-Flops (with 3-state outputs)
Octal D-type Flip-Flops (with inverted 3-state outputs)
ADE-205-499 (Z)
1st. Edition
Sep. 2000
Description
These devices are positive edge triggered flip-flops. The difference between HD74HC374 and
HD74HC534 is only that the former is a true outputs and the latter is a false outputs. Data at the D inputs,
meeting the setup and hold time requirements, are transferred to the Q outputs on positive going transitions
of the clock (CK) input. When a high logic level is applied to the output control (OC) input, all outputs go
to a high impedance state, regardless of what signals are present at the other inputs and the state of the
storage elements.
Features
•
•
•
•
•
High Speed Operation: tpd (Clock to Q) = 18 ns typ (CL = 50 pF)
High Output Current: Fanout of 15 LSTTL Loads
Wide Operating Voltage: VCC = 2 to 6 V
Low Input Current: 1 µA max
Low Quiescent Supply Current: ICC (static) = 4 µA max (Ta = 25°C)
Function Table
D
HD74HC374
Q
HD74HC534
Q
L
H
H
L
L
L
L
H
Output Control
Clock
L
L
X
No change
No change
H
X
X
Z
Z
X :
Z :
irrelevant
off (high-impedance) state of a 3-state output.
HD74HC374/HD74HC534
Pin Arrangement
HD74HC374
Output
Control 1
20 VCC
1Q 2
19 8Q
1D 3
18 8D
2D 4
17 7D
2Q 5
16 7Q
3Q 6
15 6Q
3D 7
14 6D
4D 8
13 5D
4Q 9
12 5Q
GND 10
11 Clock
(Top view)
HD74HC534
Output
Control 1
20 VCC
1Q 2
19 8Q
1D 3
18 8D
2D 4
17 7D
2Q 5
16 7Q
3Q 6
15 6Q
3D 7
14 6D
4D 8
13 5D
4Q 9
12 5Q
GND 10
11 Clock
(Top view)
2
HD74HC374/HD74HC534
Absolute Maximum Ratings
Item
Symbol
Rating
Unit
Supply voltage range
VCC
–0.5 to +7.0
V
Input voltage
VIN
–0.5 to VCC + 0.5
V
Output voltage
VOUT
–0.5 to VCC + 0.5
V
DC current drain per pin
I OUT
±35
mA
DC current drain per VCC , GND
I CC, I GND
±75
mA
DC input diode current
I IK
±20
mA
DC output diode current
I OK
±20
mA
Power Dissipation per package
PT
500
mW
Storage temperature
Tstg
–65 to +150
°C
Block Diagram
HD74HC374
7D
6D
5D
4D
3D
2D
1D
8D
D Q
D Q
D Q
D Q
D Q
D Q
D Q
D Q
C Q
C Q
C Q
C Q
C Q
C Q
C Q
C Q
Clock
Output
Control
1Q
2Q
3Q
4Q
5Q
6Q
7Q
8Q
3
HD74HC374/HD74HC534
HD74HC534
7D
6D
5D
4D
3D
2D
1D
8D
D Q
D Q
D Q
D Q
D Q
D Q
D Q
D Q
C Q
C Q
C Q
C Q
C Q
C Q
C Q
C Q
Clock
Output
Control
1Q
4
2Q
3Q
4Q
5Q
6Q
7Q
8Q
HD74HC374/HD74HC534
DC Characteristics
Ta = –40 to
+85°C
Ta = 25°C
Item
Symbol
VCC (V) Min Typ Max Min
Max
Unit
Input voltage
VIH
2.0
1.5 —
—
1.5
—
V
4.5
3.15 —
—
3.15
—
6.0
4.2 —
—
4.2
—
2.0
—
—
0.5
—
0.5
4.5
—
—
1.35 —
1.35
6.0
—
—
1.8
—
1.8
2.0
1.9 2.0 —
1.9
—
4.5
4.4 4.5 —
4.4
—
6.0
5.9 6.0 —
5.9
—
4.5
4.18 —
—
4.13
—
I OH = –6 mA
6.0
5.68 —
—
5.63
—
I OH = –7.8 mA
2.0
—
0.0 0.1
—
0.1
4.5
—
0.0 0.1
—
0.1
6.0
—
0.0 0.1
—
0.1
4.5
—
—
0.26 —
0.33
I OL = 6 mA
6.0
—
—
0.26 —
0.33
I OL = 7.8 mA
VIL
Output voltage
VOH
VOL
Test Conditions
V
V
V
Vin = VIH or VIL I OH = –20 µA
Vin = VIH or VIL I OL = 20 µA
Off-state output
current
I OZ
6.0
—
—
±0.5 —
±5.0
µA
Vin = VIH or VIL,
Vout = VCC or GND
Input current
Iin
6.0
—
—
±0.1 —
±1.0
µA
Vin = VCC or GND
Quiescent supply
current
I CC
6.0
—
—
4.0
40
µA
Vin = VCC or GND, Iout = 0 µA
—
5
HD74HC374/HD74HC534
AC Characteristics (CL = 50 pF, Input tr = tf = 6 ns)
Ta = –40 to
+85°C
Ta = 25°C
Item
Symbol
VCC (V) Min Typ Max Min
Max
Unit
Maximum clock
f max
2.0
—
—
6
—
5
MHz
4.5
—
—
30
—
24
6.0
—
—
35
—
28
Propagation delay t PHL
2.0
—
—
140 —
175
time
4.5
—
18
28
—
35
6.0
—
—
24
—
30
2.0
—
—
150 —
190
4.5
—
11
30
—
38
6.0
—
—
26
—
33
2.0
—
—
150 —
190
4.5
—
14
30
—
38
6.0
—
—
26
—
33
2.0
—
—
150 —
190
4.5
—
13
30
—
38
6.0
—
—
26
—
33
2.0
—
—
150 —
190
4.5
—
16
30
—
38
6.0
—
—
26
—
33
2.0
100 —
—
125
—
4.5
20
1
—
25
—
6.0
17
—
—
21
—
2.0
25
—
—
31
—
4.5
5
1
—
6
—
6.0
5
—
—
6
—
2.0
80
—
—
100
—
4.5
16
6
—
20
—
6.0
14
—
—
17
—
frequency
Output enable
t PLH
t ZL
time
t ZH
Output disable
t LZ
time
t HZ
Setup time
Hold time
Pulse width
t su
th
tw
Output rise/fall
t TLH
2.0
—
—
60
—
75
time
t THL
4.5
—
4
12
—
15
6.0
—
—
10
—
13
—
—
5
10
—
10
Input capacitance
6
Cin
Test Conditions
ns
ns
ns
ns
ns
ns
Data to Clock
ns
Clock to Data
ns
Clock or Output control
ns
pF
HD74HC374/HD74HC534
Package Dimensions
Unit: mm
24.50
25.40 Max
1
7.00 Max
11
6.30
20
10
1.30
2.54 ± 0.25
0.48 ± 0.10
0.51 Min
1.27 Max
7.62
2.54 Min 5.08 Max
0.89
+ 0.11
0.25 – 0.05
0° – 15°
Hitachi Code
JEDEC
EIAJ
Mass (reference value)
DP-20N
—
Conforms
1.26 g
Unit: mm
12.6
13 Max
11
1
10
1.27
*0.42 ± 0.08
0.40 ± 0.06
0.10 ± 0.10
0.80 Max
*0.22 ± 0.05
0.20 ± 0.04
2.20 Max
5.5
20
0.20
7.80 +– 0.30
1.15
0° – 8°
0.70 ± 0.20
0.15
0.12 M
*Dimension including the plating thickness
Base material dimension
Hitachi Code
JEDEC
EIAJ
Mass (reference value)
FP-20DA
—
Conforms
0.31 g
7
HD74HC374/HD74HC534
Unit: mm
12.8
13.2 Max
11
1
10
0.20 ± 0.10
0.935 Max
*0.27 ± 0.05
0.25 ± 0.04
2.65 Max
7.50
20
1.27
*0.42 ± 0.08
0.40 ± 0.06
0.25
10.40 +– 0.40
1.45
0° – 8°
0.57
0.70 +– 0.30
0.15
0.12 M
Hitachi Code
JEDEC
EIAJ
Mass (reference value)
*Dimension including the plating thickness
Base material dimension
FP-20DB
Conforms
—
0.52 g
Unit: mm
6.50
6.80 Max
11
1
10
4.40
20
0.65
*0.22+0.08
–0.07
0.20 ± 0.06
1.0
0.13 M
6.40 ± 0.20
*Dimension including the plating thickness
Base material dimension
8
0.07 +0.03
–0.04
0.10
*0.17 ± 0.05
0.15 ± 0.04
1.10 Max
0.65 Max
0° – 8°
0.50 ± 0.10
Hitachi Code
JEDEC
EIAJ
Mass (reference value)
TTP-20DA
—
—
0.07 g
HD74HC374/HD74HC534
Cautions
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copyright, trademark, or other intellectual property rights for information contained in this document.
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intellectual property rights, in connection with use of the information contained in this document.
2. Products and product specifications may be subject to change without notice. Confirm that you have
received the latest product standards or specifications before final design, purchase or use.
3. Hitachi makes every attempt to ensure that its products are of high quality and reliability. However,
contact Hitachi’s sales office before using the product in an application that demands especially high
quality and reliability or where its failure or malfunction may directly threaten human life or cause risk
of bodily injury, such as aerospace, aeronautics, nuclear power, combustion control, transportation,
traffic, safety equipment or medical equipment for life support.
4. Design your application so that the product is used within the ranges guaranteed by Hitachi particularly
for maximum rating, operating supply voltage range, heat radiation characteristics, installation
conditions and other characteristics. Hitachi bears no responsibility for failure or damage when used
beyond the guaranteed ranges. Even within the guaranteed ranges, consider normally foreseeable
failure rates or failure modes in semiconductor devices and employ systemic measures such as failsafes, so that the equipment incorporating Hitachi product does not cause bodily injury, fire or other
consequential damage due to operation of the Hitachi product.
5. This product is not designed to be radiation resistant.
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products.
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