CD4098BMS Datasheet, PDF (10/11 Pages) Intersil Corporation – CMOS Dual Monostable Multivibrator

CD4098BMS
Typical Performance Characteristics (Continued)
10⁵⁸
6
4
2
10⁴⁸
6
4
AMBIENT TEMPERATURE (T_A) = +25^oC
CL = 50pF RX = 100KΩ
FREQUENCY = 100KHz
RISE TIME (tr), FALL (tf) = 20ns
2
10³⁸
6
4
SUPPLY VOLTAGE (VDD) = 5V
2
10²⁸
6
10V
4
2 ^15V
10
10 ²
4 6 8₁₀₂ 2 4 6 8₁₀₃ 2 4 6 8₁₀₄ 2
EXTERNAL CAPACITANCE (CX) (pF)
4 6 8₁₀₅
FIGURE 10. TYPICAL MINIMUM RESET PULSE WIDTH vs EXTERNAL CAPACITANCE
10⁶
6
AMBIENT TEMPERATURE (T_A) = +25^oC
4
RX = 5KΩ TO 1MΩ
CL = 50pF
2 _{CX = 100pF}
10⁵
6
1000pF _0.01µF
0.1µF
1µF
4
To calculate average power dissipation(P)
for less than 100% duty cycle:
P100 = average power for 100% duty
cycle:
2
10⁴
( ) ^{P =}
tm
τT
P100 where τm = one shot pulse
width
6
4
τT = trigger pulse period
2
e.g. For τm = 600µs, tT = 1000µs. CX = 0.01mF
10³
6
VDD = 5V
4
2
10²
VDD = 5V
= 10V
= 15V
( ) ^{P1 =}
600
1000
10³ µW = 600µW (see dotted line on
graph)
2 4 68 2 4 68 2 4 68 2 4 68 2 4 68
1
10
10²
10³
10⁴
10⁵
ONE-SHOT PULSE WIDTH (τm) (µs)
FIGURE 11. AVERAGE POWER DISSIPATION vs ONE-SHOT PULSE WIDTH
τT
τm
Applications
VDD
VDD
RX1
CX1
RX2
CX2
+TR
VDD
1
2
Q
4
6
5 MONO 1
3
-TR
VSS
VDD
15
14
11
10
12 MONO 2
13
Q
OUTPUT
INPUT PULSE
OUTPUT PULSE
T1
T2
T1 ≈ ^{RX1 CX1}
2
T2 ≈ ^{RX2 CX2}
2
CX ≥ 0.01µF
FIGURE 12. PULSE DELAY
7-491