HITACHI HD74HC595

HD74HC595
8-bit Shift Register/Latch (with 3-state outputs)
Description
This device each contains an 8-bit serial-in, parallel-out shift register that feeds an 8-bit D-type storage
register. The storage register has parallel 3-state outputs. Separate clocks are provided for both the shift
register and the storage register. The shift register has a direct-overriding clear, serial input, and serial
output pins for cascading.
Both the shift register and storage register clocks are positive-edge triggered. If the user wishes to connect
both clocks together, the shift register state will always be one clock pulse ahead of the storage register.
Features
•
•
•
•
•
High Speed Operation: tpd (RCK to Q) = 17 ns typ (C L = 50 pF)
High Output Current: Fanout of 15 LSTTL Loads (QA to QH outputs)
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
RCK
SCK
SCLR
G
Function
X
X
X
H
QA to QH high impedance
X
X
L
X
Shift register cleared QH ’ = L
H
X
Shift register clocked Qn = Qn – 1, QA = SER
H
X
Contents of shift register transferred to output latches
X
X
HD74HC595
Pin Arrangement
QB 1
16 VCC
QC 2
15 QA
QD 3
14 SER
QE 4
13 G
QF 5
12 RCK
QG 6
11 SCK
QH 7
10 SCLR
GND 8
9 QH'
(Top view)
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
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
2
HD74HC595
Logic Diagram
G
RCK
SER
D Q
D
QA
D
QB
D
QC
D
QD
D
QE
D
QF
D
QG
D
QH
R
D Q
R
D Q
R
D Q
R
D Q
R
D Q
R
D Q
R
D Q
SCK
R
SCLR
QH'
3
HD74HC595
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
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 = –4 mA
6.0
5.68 —
—
5.63
—
I OH = –5.2 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 = 4 mA
6.0
—
—
0.26 —
0.33
I OL = 5.2 mA
VIL
Output voltage
VOH
VOL
Output voltage
VOH
VOL
Test Conditions
V
V
QA to QH
I OH = –20 µA
Vin = VIH or VIL
V
QA to QH
I OL = 20 µA
Vin = VIH or VIL
V
Q’H
I OH = –20 µA
Vin = VIH or VIL
V
Q’H
I OL = 20 µA
Vin = VIH or VIL
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
4
—
HD74HC595
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
—
—
5
—
4
MHz
4.5
—
—
27
—
21
6.0
—
—
31
—
24
Propagation delay t PLH
2.0
—
—
115 —
145
time
4.5
—
12
23
—
29
6.0
—
—
20
—
25
t PLH
2.0
—
—
150 —
190
t PHL
4.5
—
17
30
—
38
6.0
—
—
26
—
33
2.0
—
—
175 —
220
4.5
—
20
35
—
44
6.0
—
—
30
—
37
frequency
t PHL
t PLH
Output enable
t ZL
2.0
—
—
150 —
190
time
t ZH
4.5
—
13
30
—
38
6.0
—
—
26
—
33
Output disable
t LZ
2.0
—
—
150 —
190
time
t HZ
4.5
—
15
30
—
38
6.0
—
—
26
—
33
2.0
100 —
—
125
—
4.5
20
1
—
25
—
6.0
17
—
—
21
—
2.0
200 —
—
250
—
4.5
40
8
—
50
—
6.0
34
—
—
43
—
2.0
80
—
—
100
—
4.5
16
8
—
20
—
6.0
14
—
—
17
—
2.0
100 —
—
125
—
4.5
20
—
—
25
—
6.0
17
—
—
21
—
Setup time
Pulse width
Removal time
t su
tw
t rem
Test Conditions
ns
SCK to QH ’
ns
RCK to Q
ns
SCLR to Q H ’
ns
ns
ns
SER to SCK
ns
SCK to RCK
ns
ns
5
HD74HC595
AC Characteristics (CL = 50 pF, Input tr = tf = 6 ns) (cont)
Ta = –40 to
+85°C
Ta = 25°C
Item
Symbol
VCC (V) Min Typ Max Min
Max
Unit
Hold time
th
2.0
5
—
—
5
—
ns
4.5
5
1
—
5
—
6.0
5
—
—
5
—
Output rise/fall
t TLH
2.0
—
—
75
—
95
time
t THL
4.5
—
5
15
—
19
6.0
—
—
13
—
16
2.0
—
—
60
—
75
4.5
—
4
12
—
15
6.0
—
—
10
—
13
—
—
5
10
—
5
Input capacitance
6
Cin
Test Conditions
ns
QH ’
ns
Q
pF
Unit: mm
19.20
20.00 Max
1
7.40 Max
9
6.30
16
8
1.3
0.48 ± 0.10
2.54 Min 5.06 Max
2.54 ± 0.25
0.51 Min
1.11 Max
7.62
+ 0.13
0.25 – 0.05
0° – 15°
Hitachi Code
JEDEC
EIAJ
Weight (reference value)
DP-16
Conforms
Conforms
1.07 g
Unit: mm
10.06
10.5 Max
9
1
8
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
16
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-16DA
—
Conforms
0.24 g
Unit: mm
9.9
10.3 Max
9
1
8
0.635 Max
*0.42 ± 0.08
0.40 ± 0.06
0.15
*0.22 ± 0.03
0.20 ± 0.03
1.27
0.11
0.14 +– 0.04
1.75 Max
3.95
16
0.10
6.10 +– 0.30
1.08
0° – 8°
0.67
0.60 +– 0.20
0.25 M
*Dimension including the plating thickness
Base material dimension
Hitachi Code
JEDEC
EIAJ
Weight (reference value)
FP-16DN
Conforms
Conforms
0.15 g
Cautions
1. Hitachi neither warrants nor grants licenses of any rights of Hitachi’s or any third party’s patent,
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.
6. No one is permitted to reproduce or duplicate, in any form, the whole or part of this document without
written approval from Hitachi.
7. Contact Hitachi’s sales office for any questions regarding this document or Hitachi semiconductor
products.
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