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PDF 74HC164 Data sheet ( Hoja de datos )
| Número de pieza | 74HC164 | |
| Descripción | 8-bit serial-in / parallel-out shift register | |
| Fabricantes | NXP Semiconductors | |
| Logotipo |  |
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74HC164; 74HCT164
8-bit serial-in, parallel-out shift register
Rev. 7 — 13 June 2013
Product data sheet
1. General description
The 74HC164; 74HCT164 is an 8-bit serial-in/parallel-out shift register. The device
features two serial data inputs (DSA and DSB), eight parallel data outputs (Q0 to Q7).
Data is entered serially through DSA or DSB and either input can be used as an active
HIGH enable for data entry through the other input. Data is shifted on the LOW-to-HIGH
transitions of the clock (CP) input. A LOW on the master reset input (MR) clears the
register and forces all outputs LOW, independently of other inputs. Inputs include clamp
diodes. This enables the use of current limiting resistors to interface inputs to voltages in
excess of VCC.
2. Features and benefits
Input levels:
For 74HC164: CMOS level
For 74HCT164: TTL level
Gated serial data inputs
Asynchronous master reset
Complies with JEDEC standard no. 7A
ESD protection:
HBM JESD22-A114F exceeds 2000 V
MM JESD22-A115-A exceeds 200 V.
Multiple package options
Specified from 40 C to +85 C and 40 C to +125 C.
1 page  
NXP Semiconductors
74HC164; 74HCT164
8-bit serial-in, parallel-out shift register
Table 4. Limiting values …continued
In accordance with the Absolute Maximum Rating System (IEC 60134). Voltages are referenced to GND (ground = 0 V).
Symbol
Parameter
Conditions
Min Max Unit
Ptot total power dissipation
DIP14 package
[2]
-
750 mW
SO14, (T)SSOP14 and
DHVQFN14 packages
- 500 mW
[1] The input and output voltage ratings may be exceeded if the input and output current ratings are observed.
[2] For DIP14 package: Ptot derates linearly with 12 mW/K above 70 C.
For SO14 package: Ptot derates linearly with 8 mW/K above 70 C.
For (T)SSOP14 packages: Ptot derates linearly with 5.5 mW/K above 60 C.
For DHVQFN14 packages: Ptot derates linearly with 4.5 mW/K above 60 C.
8. Recommended operating conditions
Table 5. Recommended operating conditions
Voltages are referenced to GND (ground = 0 V)
Symbol Parameter
Conditions
VCC
VI
VO
Tamb
t/V
supply voltage
input voltage
output voltage
ambient temperature
input transition rise and fall rate
VCC = 2.0 V
VCC = 4.5 V
VCC = 6.0 V
9. Static characteristics
74HC164
Min Typ
2.0 5.0
0-
0-
40 +25
--
- 1.67
--
Max
6.0
VCC
VCC
+125
625
139
83
74HCT164
Min Typ
4.5 5.0
0-
0-
40 +25
--
- 1.67
--
Max
5.5
VCC
VCC
+125
-
139
-
Unit
V
V
V
C
ns/V
ns/V
ns/V
Table 6. Static characteristics
At recommended operating conditions; voltages are referenced to GND (ground = 0 V).
Symbol Parameter
Conditions
25 C
40 C to +85 C 40 C to +125 C Unit
Min Typ Max Min Max Min Max
74HC164
VIH HIGH-level VCC = 2.0 V
input voltage VCC = 4.5 V
VCC = 6.0 V
VIL LOW-level VCC = 2.0 V
input voltage VCC = 4.5 V
VCC = 6.0 V
1.5 1.2 -
1.5
-
1.5
-V
3.15 2.4 - 3.15
-
3.15
-V
4.2 3.2 -
4.2
-
4.2
-V
- 0.8 0.5
-
0.5
-
0.5 V
- 2.1 1.35 -
1.35
-
1.35 V
- 2.8 1.8
-
1.8
-
1.8 V
74HC_HCT164
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 7 — 13 June 2013
© NXP B.V. 2013. All rights reserved.
5 of 20
5 Page 
NXP Semiconductors
74HC164; 74HCT164
8-bit serial-in, parallel-out shift register
VI 90 %
negative
pulse
GND
VI
positive
pulse
10 %
GND
VM
10 %
tf
tr
90 %
VM
VI
G
RT
tW
tW
VCC
DUT
VM
tr
tf
VM
VO
CL
001aah768
Test data is given in Table 9.
Definitions test circuit:
RT = termination resistance should be equal to output impedance Zo of the pulse generator.
CL = load capacitance including jig and probe capacitance.
Fig 10. Test circuit for measuring switching times
Table 9. Test data
Type
74HC164
74HCT164
Input
VI
VCC
3.0 V
tr, tf
6.0 ns
6.0 ns
Load
CL
15 pF, 50 pF
15 pF, 50 pF
Test
tPLH, tPHL
tPLH, tPHL
74HC_HCT164
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 7 — 13 June 2013
© NXP B.V. 2013. All rights reserved.
11 of 20
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| Páginas | Total 20 Páginas | |
| PDF Descargar | [ Datasheet 74HC164.PDF ] | |
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