74HC6323A Datasheet, PDF (13/15 Pages) NXP Semiconductors – Programmable ripple counter with oscillator; 3-state

Philips Semiconductors
Programmable ripple counter with
oscillator; 3-state
APPLICATION INFORMATION
Product specification
74HC/HCT6323A
handbook, halfpage
6323A
5
MR
MBA348
The input pull-up current is used to create a
power-on delay time at MR.
Fig.10 Power-on reset.
handbook, halfpa⁵ge⁰
−II
(µA)
40
MBA346
30
20
VI = 0 V
10
0
1
2
3
4
5
6
VCC (V)
handbook, halfpag⁴e⁰
−II
(µA)
30
VCC = 6 V
MBA347
20
4.3 V
10
2V
0
0
1
2
3
4
5
6
VI (V)
Fig.11 Typical input pull-up current as a function
of the input voltage (V_I).
Table 1 Typical application values
f (MHz)
1
10
25
R2 (kΩ)
4.7
2.2
1
C1 (pF) C2 (pF)
47 to 68
47 to 68
33
33
Table 2 Typical Application Values
f (MHz)
50
R_bias (kΩ)
3.0
C1 (pF)
4.7
Fig.12 Typical input pull-up current as a function of
the supply voltage (V_CC).
September 1993
13