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PDF IN74HC174A Data sheet ( Hoja de datos )
| Número de pieza | IN74HC174A | |
| Descripción | Hex D-Type Flip-Flop | |
| Fabricantes | IK Semiconductor | |
| Logotipo |  |
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TECHNICAL DATA
Hex D Flip-Flop with
Common Clock and Reset
High-Performance Silicon-Gate CMOS
IN74HC174A
The IN74HC174A is identical in pinout to the LS/ALS174. The device
inputs are compatible with standard CMOS outputs; with pullup resistors,
they are compatible with LS/ALSTTL outputs.
This device consists of six D flip-flops with common Clock and Reset
inputs. Each flip-flop is loaded with a low-to-high transition of the Clock
input. Reset is asynchronous and active-low.
• Outputs Directly Interface to CMOS, NMOS, and TTL
• Operating Voltage Range: 2.0 to 6.0 V
• Low Input Current: 1.0 µA
• High Noise Immunity Characteristic of CMOS Devices
ORDERING INFORMATION
IN74HC174AN Plastic
IN74HC174AD SOIC
TA = -55° to 125° C for all packages
LOGIC DIAGRAM
PIN ASSIGNMENT
PIN 16=VCC
www.datasheet4PuIN.c8 =oGmND
FUNCTION TABLE
Inputs
Output
Reset Clock D
Q
L XX L
H HH
H LL
H L X no change
H X no change
X = Don’t care
L = LOW voltage level
H = HIGH voltage level
1
1 page  
CLOCK
Q
tr tf
90%
50%
10%
tw
1/fmax
tPLH
50%
10%
90%
tTLH
VCC
GND
t PHL
t THL
RESET
50%
t PHL
Q
tw
50%
CLOCK
IN74HC174A
VCC
GND
t rec
50%
VCC
GND
Figure 1. Switching Waveforms
Figure 2. Switching Waveforms
DATA
CLOCK
VALID
50%
tsu th
50%
VCC
GND
VCC
GND
TEST POINT
DEVICE
UNDER
TEST
OUTPUT
*
CL
Figure 3. Switching Waveforms
Figure 4. Test Circuit
EXPANDED LOGIC DIAGRAM
5
5 Page | ||
| Páginas | Total 6 Páginas | |
| PDF Descargar | [ Datasheet IN74HC174A.PDF ] | |
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