CD4510BMS Datasheet, PDF (9/11 Pages) Intersil Corporation – CMOS Presettable Up/Down Counters

CD4510BMS, CD4516BMS
Typical Performance Characteristics (Continued)
AMBIENT TEMPERATURE (T_A) = +25^oC
LOAD CAPACITANCE (CL) = 50pF
15
10
5
0
5
10
15
20
SUPPLY VOLTAGE (VDD)
FIGURE 9. TYPICAL MAXIMUM CLOCK INPUT FREQUENCY vs
SUPPLY VOLTAGE
Test Circuit and Waveform
10⁴
8
6
4
AMBIENT
= +25^oC
TEMPERATURE
(T_A)
tr, tf = 20ns
2
SUPPLY VOLTS (VDD) = 15V
10³
8
10V
6
10V
4
5V
2
10²
8
6
4
2
10
2
01
CL = 50pF
CL = 15pF
4 68 2 4 68 2 4 68 2 4 68 2
1
10
10²
10³
INPUT FREQUENCY (fCL) (kHz)
4 68
10⁴
FIGURE 10. TYPICAL DYNAMIC POWER DISSIPATION vs
FREQUENCY
100µF
1
2
3
4
CL
5
6
CL
7
CL
8
ID
16
15
14
13
12
11
10
9
500µF
PULSE
GENERATOR
CL
CL
20ns
50%
90%
VARIABLE
WIDTH
20ns
VDD
10%
VSS
FIGURE 11. POWER DISSIPATION TEST CIRCUIT AND INPUT WAVEFORM
Acquisition System
ANALOG
DATA
INPUTS
16 CHANNEL
MULTIPLEXER
CD4067
SELECT
INPUTS
PRESET
INPUTS
AMPLI-
FIER
SAMPLE
AND
HOLD
START
CONVERSION
LOGIC
CLOCK
END
10 BIT
A/D
CONVERTER
PARALLEL
DATA
OUTPUTS
Q1 Q4
CD4516BMS
NOTE:
This acquisition system can be operated in the random access mode by
jamming in the channel number at the present inputs, or in the sequential
mode by clocking the CD4516BMS.
CLOCK
PRESET ENABLE
FIGURE 12. TYPICAL 16 CHANNEL, 10 BIT DATA ACQUISITION SYSTEM
9