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PDF HD74ACT164 Data sheet ( Hoja de datos )
| Número de pieza | HD74ACT164 | |
| Descripción | Serial-In/ Parallel-Out Shift Register | |
| Fabricantes | Hitachi Semiconductor | |
| Logotipo |  |
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HD74AC164/HD74ACT164
Serial-In, Parallel-Out Shift Register
Description
The HD74AC164/HD74ACT164 is a high-speed 8-bit serial-in/parallel-out shift register. Serial data is
entered through a 2-input AND gate synchronous with the Low-to-High transition of the clock. The device
features an asynchronous Master Reset which clears the register, setting all outputs Low independent of the
clock.
Features
• Outputs Source/Sink 24 mA
• HD74ACT164 has TTL-Compatible Inputs
Pin Arrangement
A1
B2
Q0 3
Q1 4
Q2 5
Q3 6
GND 7
(Top view)
14 VCC
13 Q7
12 Q6
11 Q5
10 Q4
9 MR
8 CP
1 page  
HD74AC164/HD74ACT164
AC Characteristics: HD74ACT164
Item
Maximum clock
frequency
Symbol VCC (V)*1
fmax 5.0
Ta = +25°C
CL = 50 pF
Min Typ
100 —
Propagation delay
CP to Qn
t PLH
5.0
Propagation delay
CP to Qn
t PHL
5.0
Propagation delay
MR to Qn
t PHL
5.0
Note: 1. Voltage Range 5.0 is 5.0 V ± 0.5 V
1.0
1.0
1.0
9.0
9.0
9.5
Max
—
11.5
11.5
13.0
Ta = –40°C to +85°C
CL = 50 pF
Min Max
80 —
Unit
MHz
1.0 12.5 ns
1.0 12.5
1.0 14.5
AC Operating Requirements: HD74ACT164
Ta = +25°C
CL = 50 pF
Item
Symbol VCC (V)*1 Typ
Setup time A or B to CP tsu 5.0 2.5
Hold time CP to A or B th 5.0 0.0
Pulse width CP or MR
tw 5.0 4.5
Recovery time MR or CP
t rec
5.0 0.0
Note: 1. Voltage Range 5.0 is 5.0 V ± 0.5 V
Ta = –40°C
to +85°C
CL = 50 pF
Guaranteed Minimum
7.0 8.0
1.5 1.5
7.0 8.0
2.0 2.0
Unit
ns
Capacitance
Item
Input capacitance
Power dissipation capacitance
Symbol
CIN
CPD
Typ
4.5
20.0
Unit
pF
pF
Condition
VCC = 5.5 V
VCC = 5.0 V
5
5 Page | ||
| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet HD74ACT164.PDF ] | |
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