HITACHI HD74HC356

HD74HC356
8-to-1-line Data Selectors/Multiplexer/Register
(with 3-state outputs)
Description
This data selectors/multiplexers contain full on-chip binary decoding to select one of eight data sources.
The data select address is stored in transparent latches that are enabled by a low level address on pin 11,
Select Control. Data on the 8 input lines is stored in a parallel input/output register which in the
HD74HC356 is composed of 8 edge-triggered flip-flops, clocked by a low to high transition on pin 9,
clock. Both true (Y) and complementary (W) 3-state outputs are available.
Features
•
•
•
•
•
High Speed Operation: tpd (Clock to W, Y) = 27 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)
HD74HC356
Function Table
Inputs
Select
Output Enable
Outputs
S1
S2
S0
Clock
G1
G2
G3
W
Y
X
X
X
X
H
X
X
Z
Z
X
X
X
X
X
H
X
Z
Z
X
X
X
X
X
X
L
Z
Z
L
L
L
L
L
H
D0
D0
L
L
L
L
L
H
D0n
D0n
L
L
H
L
L
H
D1
D1
L
L
H
L
L
H
D1n
D1n
L
H
L
L
L
H
D2
D2
L
H
L
L
L
H
D2n
D2n
L
H
H
L
L
H
D3
D3
L
H
H
L
L
H
D3n
D3n
H
L
L
L
L
H
D4
D4
H
L
L
L
L
H
D4n
D4n
H
L
H
L
L
H
D5
D5
H
L
H
L
L
H
D5n
D5n
H
H
L
L
L
H
D6
D6
H
H
L
L
L
H
D6n
D6n
H
H
H
L
L
H
D7
D7
H
H
H
L
L
H
D7n
D7n
2
H or L
H or L
H or L
H or L
H or L
H or L
H or L
H or L
HD74HC356
Pin Arrangement
D7 1
20 VCC
D6 2
19 Y
D5 3
18 W
D4 4
17 G3
D3 5
16 G2
D2 6
15 G1
D1 7
14 S0
D0 8
13 S1
Clock 9
12 S2
GND 10
11
Outputs
Data
inputs
Enables
Select
Select
control
(Top view)
Absolute Masimum 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
Output current
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
3
HD74HC356
Block Diagram
S0
D
C
Q
C
S1
D
C
Q
C
S2
D
C
Q
C
SC
D0
D
C
Q
C
D1
D
C
Q
VCC
C
D2
D
C
W
Q
C
D3
VCC
D
C
Q
C
Y
D4
D
C
Q
C
D5
D
C
Q
C
D6
D
C
Q
C
D7
D
C
C
CLK
G1
G2
G3
4
Q
HD74HC356
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
HD74HC356
AC Characteristics (CL = 50 pF, Input tr = tf = 6 ns)
Ta = –40 to
+85°C
Ta = 25°C
VCC (V) Min Typ Max Min
Max
Unit
Test Conditions
Propagation delay t PLH
2.0
—
—
255 —
320
ns
Clock to output
time
4.5
—
27
51
—
64
6.0
—
—
43
—
54
t PLH
2.0
—
—
285 —
355
ns
S0 – S2 to output
t PHL
4.5
—
25
57
—
71
6.0
—
—
48
—
60
t PLH
2.0
—
—
300 —
375
ns
Select control to output
t PHL
4.5
—
25
60
—
75
6.0
—
—
51
—
64
Item
Symbol
t PHL
Output enable
t ZH
2.0
—
—
150 —
190
time
t ZL
4.5
—
12
30
—
38
6.0
—
—
26
—
33
Output disable
t LZ
2.0
—
—
165 —
205
time
t HZ
4.5
—
17
33
—
41
6.0
—
—
28
—
35
2.0
50
—
—
65
—
4.5
10
2
—
13
—
6.0
10
—
—
13
—
2.0
5
—
—
5
—
4.5
5
1
—
5
—
6.0
5
—
—
5
—
2.0
80
—
—
100
—
4.5
16
5
–
20
—
6.0
14
—
—
17
—
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
ns
ns
ns
D0 to D7 to Clock
S0 to S 7 to Select control
ns
D0 to D7 to Clock
S0 to S 7 to Select control
ns
ns
pF
Unit: mm
24.50
25.40 Max
6.30
11
1
7.00 Max
20
10
1.30
2.54 ± 0.25
0.48 ± 0.10
0.51 Min
1.27 Max
2.54 Min 5.08 Max
0.89
7.62
+ 0.11
0.25 – 0.05
0° – 15°
Hitachi Code
JEDEC
EIAJ
Weight (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
Weight (reference value)
FP-20DA
—
Conforms
0.31 g
Unit: mm
12.8
13.2 Max
11
1
10
0.20 ± 0.10
0.935 Max
1.27
*0.42 ± 0.08
0.40 ± 0.06
*0.27 ± 0.05
0.25 ± 0.04
2.65 Max
7.50
20
0.25
10.40 +– 0.40
1.45
0° – 8°
0.57
0.70 +– 0.30
0.15
0.12 M
*Dimension including the plating thickness
Base material dimension
Hitachi Code
JEDEC
EIAJ
Weight (reference value)
FP-20DB
Conforms
—
0.52 g
Cautions
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copyright, trademark, or other intellectual property rights for information contained in this document.
Hitachi bears no responsibility for problems that may arise with third party’s rights, including
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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written approval from Hitachi.
7. Contact Hitachi’s sales office for any questions regarding this document or Hitachi semiconductor
products.
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