OM5234 데이터 시트보기 (PDF) - Philips Electronics
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OM5234 Datasheet PDF : 10 Pages
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Philips Semiconductors
CMOS single-chip 8-bit microcontrollers
Preliminary specification
OM5234/OM5284
40
IDD
(mA)
30
20
50
IDD
(mA)
40
(1)
30
(1)
20
10
10
(2)
(2)
0
0
4
8
12
16
fXTAL1 (MHz)
(1) MAXIMUM OPERATING MODE: VDD = VDDmax
(2) MAXIMUM IDLE MODE: VDD = VDDmax
These values are valid within the specified frequency range.
0
0
4
8
12
16
24
fXTAL1 (MHz)
(1) MAXIMUM OPERATING MODE: VDD = VDDmax
(2) MAXIMUM IDLE MODE: VDD = VDDmax
These values are valid within the specified frequency range.
SU00801
Figure 1. IDD vs. Frequency
AC ELECTRICAL CHARACTERISTICS1, 2
16MHz CLOCK
VARIABLE CLOCK
SYMBOL FIGURE
PARAMETER
MIN MAX
MIN
MAX
External Clock
tCHCX
tCLCX
tCLCH
tCHCL
2
High time3
2
Low time3
2
Rise time3
2
Fall time3
20
20
20
20
20
20
NOTES:
1. Parameters are valid over operating temperature range unless otherwise specified.
2. Load capacitance for port 0, ALE, and PSEN = 100pF, load capacitance for all other outputs = 80pF.
3. These values are characterized but not 100% production tested.
tCLCL – tLOW
tCLCL – tHIGH
20
20
UNIT
ns
ns
ns
ns
VCC–0.5
0.2VCC+0.9
0.45V
0.2VCC–0.1
NOTE:
AC inputs during testing are driven at VCC –0.5 for a logic ‘1’ and 0.45V for a logic ‘0’.
Timing measurements are made at VIH min for a logic ‘1’ and VIL max for a logic ‘0’.
Figure 2. AC Testing Input/Output
SU00010
1996 Nov 01
6
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