CD40106BMS Datasheet, PDF (8/9 Pages) Intersil Corporation – CMOS Hex Schmitt Triggers

Applications (Continued)
CD40106BMS
VDD
VIN
VSS
VDD
VO
VSS
1/6 CD40106BMS
R
C
VSS
tA
VDD
VSS
VP VDD-VN
tA = RC n
VN VDD-VP
50kΩ ≤ R ≤ 1MΩ
100pF ≤ C ≤ 1µF
FOR THE RANGE OF R AND C
GIVEN 2µs < tA < 0.4s
FIGURE 16. ASTABLE MULTIVIBRATOR
VP
VN
VH
(a) DEFINITION OF VP, VN, VH
VO
VH
VH = VP - VN
VIN
VO
VIN
VN _VP
(b) TRANSFER CHARACTERISTIC OF 1 OF 6 GATES
FIGURE 17. HYSTERESIS DEFINITION, CHARACTERISTICS, AND TEST SETUP
OUTPUT
CHARACTERISTIC
VOH
LOGIC “1”
OUTPUT
REGION
LOGIC “0”
OUTPUT
REGION
VDD
INPUT
CHARACTERISTIC
VP
VN
VOL
VSS
LOGIC “1”
INPUT
REGION
LOGIC “0”
INPUT
REGION
DRIVER
FIGURE 18. INPUT AND OUTPUT CHARACTERISTICS
VOH
VOL
LOAD
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