PEB2447 SIEMENS [Siemens Semiconductor Group], PEB2447 Datasheet - Page 45

• Manufacturer Part Number: PEB2447
• Description: Memory Time Switch Extended Large MTSXL
• Manufacturer: SIEMENS [Siemens Semiconductor Group]

Table 18
Capacitances
Parameter
Input capacitance
Output capacitance
I/O capacitance
Inputs are driven at 2.4 V for a logical 1 and at 0.4 V for a logical 0. Timing measurements
are made at 2.0 V for a logical 1 and at 0.8 V for a logical 0. The AC testing input/output
waveforms are shown below. Timing values are guaranteed for capacitive loading of
Figure 14
I/O Waveform for AC Tests
T
AC Characteristics
Ambient temperature under bias range,
C
Semiconductor Group
A
L
= 25 °C,
= 60 pF on all outputs except pins D(7:0), which are specified for
V
DD
= 5 V + 5 %,
V
SS
= 0 V
Symbol
C
C
C
IN
OUT
IO
V
DD
45
= 5 V + 5 %.
min.
Limit Values
Electrical Characteristics
max.
5
10
15
C
L
= 100 pF.
PEB 2447
Unit
pF
pF
pF
03.97