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PDF HD74ACT165 Data sheet ( Hoja de datos )
| Número de pieza | HD74ACT165 | |
| Descripción | Parallel-Load 8-bit Shift Register | |
| Fabricantes | Hitachi Semiconductor | |
| Logotipo |  |
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HD74AC165/HD74ACT165
Parallel-Load 8-bit Shift Register
Description
This 8-bit serial shift register shifts data from QA to QH when clocked, Parallel inputs to each stage are
enabled by a low level at the Shift/Load Input. Also included is a gated clock input and a complementary
output from the eighth bit.
Clocking is accomplished through a 2-input NOR gate permitting one input to be used as a clock inhibit
function. Holding either of the clock inputs high inhibits clocking, and holding either clock input low with
the Shift/Load input high enables the other clock input. Data transfer occurs on the positive going edge of
the clock. Parallel loading is inhibited as long as the Shift/Load input is high. When taken low, data at the
parallel inputs is loaded directly into the register independent of the state of the clock.
Features
• Outputs Source/Sink 24 mA
• HD74ACT165 has TTL-Compatible Inputs
1 page  
HD74AC165/HD74ACT165
AC Characteristics: HD74AC165
Item
Maximum count
frequency
Symbol
f max
VCC (V)*1
3.3
5.0
Ta = +25°C
CL = 50 pF
Min Typ
85 —
100 —
Propagation delay
t PLH
3.3
CP to QH or QH
5.0
Propagation delay
t PHL
3.3
CP to QH or QH
5.0
Propagation delay
t PLH
3.3
H to QH or QH
5.0
Propagation delay
t PHL
3.3
H to QH or QH
5.0
Propagation delay
t PLH
3.3
SL to QH or QH
5.0
Propagation delay
t PHL
3.3
SL to QH or QH
5.0
Note: 1. Voltage Range 3.3 is 3.3 V ± 0.3 V
Voltage Range 5.0 is 5.0 V ± 0.5 V
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
11.0
8.0
12.0
8.5
13.5
9.5
9.0
6.5
11.5
8.5
10.0
7.5
Max
—
—
17.5
11.5
18.0
12.5
19.5
13.5
14.0
9.5
20.5
14.0
16.5
11.0
Ta = –40°C to +85°C
CL = 50 pF
Min Max
70 —
90 —
1.0 20.5
1.0 13.5
1.0 21.5
1.0 14.5
1.0 22.5
1.0 15.5
1.0 16.5
1.0 11.0
1.0 23.5
1.0 16.0
1.0 19.5
1.0 12.5
Unit
MHz
ns
ns
ns
ns
ns
ns
5
5 Page 
9.9
10.3 Max
16
9
1
1.27
8
0.635 Max
*0.42 ± 0.08
0.40 ± 0.06
0.15
0.25 M
*Dimension including the plating thickness
Base material dimension
Unit: mm
6.10
+
–
0.10
0.30
1.08
0.60
+
–
0.67
0.20
0° – 8°
Hitachi Code
JEDEC
EIAJ
Weight (reference value)
FP-16DN
Conforms
Conforms
0.15 g
11 Page | ||
| Páginas | Total 13 Páginas | |
| PDF Descargar | [ Datasheet HD74ACT165.PDF ] | |
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