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参数资料
| 型号： | 74HCT4060PW |
| 厂商： | NXP SEMICONDUCTORS |
| 元件分类： | 计数器 |
| 英文描述： | 14-stage binary ripple counter with oscillator |
| 中文描述： | HCT SERIES, ASYN NEGATIVE EDGE TRIGGERED 14-BIT UP BINARY COUNTER, PDSO16 |
| 文件页数： | 7/12页 |
| 文件大小： | 90K |
| 代理商： | 74HCT4060PW |
December 1990
4
Philips Semiconductors
Product specication
14-stage binary ripple counter with oscillator
74HC/HCT4060
DYNAMIC POWER DISSIPATION FOR 74HC
Note
1. GND = 0 V; Tamb =25 °C
DYNAMIC POWER DISSIPATION FOR 74HCT
Notes
1. GND = 0 V; Tamb =25 °C
2. Where: fo
= output frequency in MHz
fosc = oscillator frequency in MHz
∑ (CL × VCC2 × fo) = sum of outputs
CL = output load capacitance in pF
Ct
= timing capacitance in pF
VCC = supply voltage in V
APPLICATIONS
Control counters
Timers
Frequency dividers
Time-delay circuits
PARAMETER
VCC (V) TYPICAL FORMULA FOR PD (W) (note 1)
total dynamic power
dissipation when using the
on-chip oscillator (PD)
2.0
4.5
6.0
CPD × fosc × VCC2 +∑ (CL × VCC2 × fo) + 2Ct × VCC2 × fosc +
60
× VCC
CPD × fosc × VCC2 +∑ (CL × VCC2 × fo) + 2Ct × VCC2 × fosc + 1 750 × VCC
CPD × fosc × VCC2 +∑ (CL × VCC2 × fo) + 2Ct × VCC2 × fosc + 3 800 × VCC
PARAMETER
VCC (V)
TYPICAL FORMULA FOR PD (W) (note 1)
total dynamic power
dissipation when using the
on-chip oscillator (PD)
4.5
CPD × fosc × VCC2 +∑ (CL × VCC2 × fo) + 2Ct × VCC2 × fosc + 1 750 × VCC
Fig.4 Functional diagram.
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