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R
Austria Mikro Systeme International
IB55
IB55 is a CMOS-level input buffer pad with pull-down.
Truth Table
A
L
H
high imp.
Q
L
H
L
Area
71.61 mils2
P
A PAD D
IB55
CMOS
Q
CUB
0.6 µm CMOS
Capacitance
Ci (pF)
A 1.002
Power
6.94 µW / MHz
Delay [ns] = tpd.. = f(SL, L)
Output Slope [ns] = op_sl.. = f(L)
with SL = Input Slope [ns] ; L = Output Load [pF]
with L = Output Load [pF]
AC Characteristics : Tj = 25°C VDD = 3.3V Typical Process
Characteristics
Delay A to Q
Output Slope A to Q
AC Characteristics
Symbol
tpdar
tpdaf
op_slar
op_slaf
SL = 0.1
L = 0.2 L = 1.4 L = 2.0
0.45
0.48
1.07
0.95
1.35
1.18
0.61
0.45
2.43
1.66
3.40
2.22
SL = 2.0
L = 0.2 L = 1.4 L = 2.0
0.66
0.83
1.27
1.30
1.57
1.52
0.63 2.43 3.32
0.50 1.62 2.21
Sept. 1996
- 172 -
Rev. N/C