MC14553BCP ON Semiconductor, MC14553BCP Datasheet - Page 4

• Manufacturer Part Number: MC14553BCP
• Manufacturer: ON Semiconductor
• Type: Decader

Specifications of MC14553BCP

• Technology: CMOS
• Number Of Elements: 3
• Number Of Bits: 3
• Logic Family: 4000
• Logical Function: Counter
• Operating Supply Voltage (typ): 3.3/5/9/12/15V
• Output Type: Standard
• Package Type: PDIP
• Propagation Delay Time: 1800ns
• Operating Temp Range: -55C to 125C
• Operating Supply Voltage (min): 3V
• Operating Supply Voltage (max): 18V
• Operating Temperature Classification: Military
• Mounting: Through Hole
• Pin Count: 16
• Lead Free Status / Rohs Status: Not Compliant

GENERATOR
GENERATOR
GENERATOR
GENERATOR
DIGIT SELECT 1
DIGIT SELECT 2
DIGIT SELECT 3
PULSE
HUNDREDS Q0
HUNDREDS Q3
UNITS CLOCK
TENS CLOCK
(a)
(b)
OSCILLATOR
1
2
3
OVERFLOW
HUNDREDS
UNITS Q0
UNITS Q1
UNITS Q2
UNITS Q3
SCAN
TENS Q0
TENS Q3
DISABLE
MASTER
CLOCK
RESET
C
LE
DIS
MR
C
LE
MR
DIS
(DISABLES CLOCK WHEN HIGH)
16
8
UNITS
TENS
V
V
V
V
DD
SS
DD
SS
DS1
DS2
DS3
DS1
DS2
DS3
O.F.
O.F.
Figure 2. 3−Digit Counter Timing Diagram (Reference Figure 4)
Q0
Q0
Q3
Q2
Q1
Q3
Q2
Q1
HUNDREDS
Figure 3. Switching Time Test Circuits and Waveforms
C
C
L
L
C
C
L
L
C
C
L
L
http://onsemi.com
MC14553B
C
C
L
L
UP AT 80
MASTER RESET
C
C
4
L
L
BCD OUT
LATCH
ENABLE
CLOCK
CLOCK
BCD OUT
OVERFLOW
20 ns
10%
90%
50%
t
PLH
t
TLH
t
su
10%
10%
90%
50%
t
TLH
20 ns
90%
50%
t
PHL
, t
PLH
UP AT 800
50%
t
rem
t
PHL
t
THL
t
UP AT 980
WH(R)
50%
t
PHL
50%
t
su
1/f
t
t
PHL
WL(cl)
cl
50%