CD4043BMS Datasheet, PDF (8/10 Pages) Intersil Corporation – CMOS Quad Clocked “D” Latch

CD4043BMS, CD4044BMS
Typical Performance Characteristics (Continued)
10⁶ _{AMBIENT TEMPERATURE (TA) = +25}o_C
10⁵
10⁴ SUPPLY VOLTAGE (VDD) = 15V
10³
10²
10
1
10³
10V
10V
5V
CL =15pF
CL = 50pF
10⁴
10⁵
10⁶
10⁷
INPUT FREQUENCY (fI) (kHz)
FIGURE 7. TYPICAL POWER DISSIPATION vs FREQUENCY
VDD
1MΩ
S
Q
LATCH
R
1MΩ
OUTPUT
VDD
1MΩ
S
Q
LATCH
R
1MΩ
OUTPUT
VDD
CD4044BMS
CD4043BMS
FIGURE 8. SWITCH BOUNCE ELIMINATOR
ENABLE
VDD
1
16
TEST IN IN A
tPHZ VDD VSS VSS
2
15
3
14
4
13
5
12
6
11
7
10
8
9
tPLZ VSS VDD VDD
tPZH VDD VSS VSS
IN
tPZL VSS VDD VDD
IN
Z = HIGH IMPEDANCE
1KΩ
A
CL = 50pF
50%
ENABLE
tPZH
POINT A
(IN = VDD, IN = VSS)
POINT A
(IN = VSS, IN = VDD)
tPZL
tPHZ
10%
90%
tPLZ
50% ^VDD
VSS
90%
≈ 2/3 VDD
≈ 1/3 VDD
10%
≈ 2/3 VDD
≈ 1/3 VDD
VSS
FIGURE 9. ENABLE PROPAGATION DELAY TIME TEST CIRCUIT AND WAVEFORM
7-883