74LV4060 查看數據表（PDF） - Philips Electronics
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74LV4060 Datasheet PDF : 18 Pages
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Philips Semiconductors
14-stage binary ripple counter with oscillator
Product specification
74LV4060
TEST CIRCUIT
Vcc
PULSE
GENERATOR
Vl
RT
D.U.T.
VO
CL
100pF
Test Circuit for Outputs
S1
2 < VCC
Open
GND
RL = 1kΩ
90%
NEGATIVE
PULSE
RL = 1kΩ
POSITIVE
PULSE
10%
tW
VM
10%
VM
10%
tTHL (tf)
tTLH (tr)
90%
VM
90%
VM
tW
VM = 1.5V
Input Pulse Definition
90%
VI
0V
tTLH (tr)
tTHL (tf)
VI
10%
0V
SWITCH POSITION
TEST
S1
tPLH/tPHL Open
VCC
< 2.7V
2.7–3.6V
≥ 4.5 V
VI
VCC
2.7V
VCC
DEFINITIONS
RL = Load resistor
CL = Load capacitance includes jig and probe capacitance
RT = Termination resistance should be equal to ZOUT of
pulse generators.
Figure 9. Load circuitry for switching times.
SV00910
1998 Jun 23
13
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