HD74LS166AP Renesas Electronics America, HD74LS166AP Datasheet - Page 8

• Manufacturer Part Number: HD74LS166AP
• Manufacturer: Renesas Electronics America
• Type: Not Requiredr

Specifications of HD74LS166AP

• Technology: Bipolar
• Number Of Elements: 1
• Number Of Bits: 8
• Logic Family: LS
• Logical Function: Shift Register
• Operating Supply Voltage (typ): 5V
• Package Type: PDIP
• Propagation Delay Time: 30ns
• Operating Temp Range: -20C to 75C
• Operating Supply Voltage (min): 4.75V
• Operating Supply Voltage (max): 5.25V
• Operating Temperature Classification: Commercial
• Mounting: Through Hole
• Pin Count: 16
• Lead Free Status / Rohs Status: Not Compliant

HD74LS166A
Waveform
Notes:
Typical Clear, Shift, Load, Inhibit, and Shift Sequences
Rev.4.00, May 10, 2006, page 6 of 7
Parallel
Output Q
1. Input pulse;
2. Propagation delay time (t
3. t
Clock Inhibit
Inputs
Serial Input
Shift / Load
Clear
Input
Clock
Input
Output Q
Data
Input
Clock input; t
Clear inpu; t
at t
t
t
n
n + 1
n + 8
; bit time before clocking transition.
Clock
Clear
n + 8
H
; bit time after one clocking transition.
; bit time after eight clocking transition.
G
C
D
H
A
B
E
F
1.3V
H
with a functional test.
Clear
1.3V
w
w
t
w (Clock)
15 ns, t
t
20 ns, t
PHL
t
20 ns
w (Clear)
1.3V
THL
1.3V
h
1.3V
= 10 ns, when testing
PLH
1.3V
Serial Shift
6 ns, PRR = 1 MHz, duty cycle 50%
and t
t
su
t
n
PHL
t
t
t
1.3V
h
n
PLH
) are measured at t
+ 1
1.3V
1.3V
Load
H
H
H
H
H
L
L
L
max
Inhibit
, vary the clock PRR.
1.3V
n + 1
H
t
t
su
n
H
. Proper shifting of data is verified
t
n
1.3V
+ 1
L
t
t
h
PHL
1.3V
H
Serial Shift
1.3V
L
H
L
H
3V
0V
3V
0V
3V
0V
V
V
OH
OL
L