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74AC163TTR

P1-P3P4-P6P7-P9P10-P12P13-P13
74AC163
7/13
CAPACITIVE CHARACTERISTICS
1) C
PD
is defined as the value of the IC’s internal equivalent capacitance which is calculated from the operating current consumption without
load. (Refer to Test Circuit). Average operating current can be obtained by the following equation. I
CC(opr)
= C
PD
x V
CC
x f
IN
+ I
CC
/n (per circuit)
TEST CIRCUIT
C
L
= 50pF or equivalent (includes jig and probe capacitance)
R
L
= R
1
= 500Ω or equivalent
R
T
= Z
OUT
of pulse generator (typically 50Ω)
WAVEFORM 1: PROPAGATION DELAYS, COUNT MODE (f=1MHz; 50% duty cycle)
Symbol Parameter
Test Condition Value
Unit
V
CC
(V)
T
A
= 25°C
-40 to 85°C -55 to 125°C
Min. Typ. Max. Min. Max. Min. Max.
C
IN
Input Capacitance
5.0 4.5 pF
C
PD
Power Dissipation
Capacitance
(note1)
5.0
f
IN
= 10MHz
37 pF
74AC163
8/13
WAVEFORM 2: PROPAGATION DELAYS CLEAR MODE (f=1MHz; 50% duty cycle)
WAVEFORM 3: PROPAGATION DELAYS PRESET MODE (f=1MHz; 50% duty cycle)
74AC163
9/13
WAVEFORM 4: PROPAGATION DELAYS COUNTABLE MODE (f=1MHz; 50% duty cycle)
WAVEFORM 5: PROPAGATION DELAYS CASCADE MODE (f=1MHz; 50% duty cycle)
P1-P3P4-P6P7-P9P10-P12P13-P13

74AC163TTR

Mfr. #:
Buy 74AC163TTR
Manufacturer:
STMicroelectronics
Description:
Counter Shift Registers Sync 4-Bit Counter
Lifecycle:
New from this manufacturer.
Delivery:
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