參數(shù)資料
型號(hào): TC74LCX164245FT
廠商: Toshiba Corporation
英文描述: TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic
中文描述: 東芝的CMOS數(shù)字集成電路硅單片
文件頁(yè)數(shù): 9/11頁(yè)
文件大?。?/td> 158K
代理商: TC74LCX164245FT
TC74LCX164245FT
2002-01-11
9
Capacitive Characteristics
(Ta 25°C)
V
CCB
5.0 V
Characteristics
Symbol
Test
Circuit
Test Condition
V
CCA
(V)
Typ.
Unit
Input capacitance
Output capacitance
C
IN
DIR,
OE
2.5, 3.3
7
pF
C
I/O
An, Bn
2.5, 3.3
8
pF
A
B (DIR “H”)
2.5, 3.3
2
C
PDA
B
A (DIR “L”)
2.5, 3.3
26
A
B (DIR “H”)
2.5, 3.3
36
Power dissipation capacitance
(Note 13)
C
PDB
B
A (DIR “L”)
2.5, 3.3
4
pF
Note 13: C
PD
is defined as the value of the internal equivalent capacitance which is calculated from the operating
current consumption without load.
Average operating current can be obtained by the equation:
I
CC (opr)
C
PD
V
CC
f
IN
I
CC
/16 (per bit)
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