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參數(shù)資料
| 型號： | 933669460652 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 計數(shù)器 |
| 英文描述： | HC/UH SERIES, SYN POSITIVE EDGE TRIGGERED 4-BIT BIDIRECTIONAL BINARY COUNTER, PDIP16 |
| 封裝： | SOT-38-1, DIP-16 |
| 文件頁數(shù)： | 4/10頁 |
| 文件大?。?/td> | 102K |
| 代理商： | 933669460652 |
December 1990
3
Philips Semiconductors
Product specication
Presettable synchronous 4-bit binary
up/down counter
74HC/HCT191
QUICK REFERENCE DATA
GND = 0 V; Tamb =25 °C; tr =tf =6ns
Notes
1. CPD is used to determine the dynamic power dissipation (PD in W):
PD =CPD × VCC2 × fi +∑ (CL × VCC2 × fo) where:
fi = input frequency in MHz
fo = output frequency in MHz
∑ (CL × VCC2 × fo) = sum of outputs
CL = output load capacitance in pF
VCC = supply voltage in V
2. For HC the condition is VI = GND to VCC
For HCT the condition is VI = GND to VCC 1.5 V
ORDERING INFORMATION
See
“74HC/HCT/HCU/HCMOS Logic Package Information”.
SYMBOL
PARAMETER
CONDITIONS
TYPICAL
UNIT
HC
HCT
tPHL/ tPLH
propagation delay CP to Qn
CL = 15 pF; VCC = 5 V
22
ns
fmax
maximum clock frequency
36
MHz
CI
input capacitance
3.5
pF
CPD
power dissipation capacitance per package
notes 1 and 2
31
33
pF
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| 9336CMG | 制造商:Apex Tool Group 功能描述:6 IN. DIAGONAL CUTTING S J PLIERS W/CO-MOLDED GRIPS, LASER HARDENED EDGES, CDD |
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