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ST72C254G2 Datasheet(PDF) 107 Page - STMicroelectronics

Part # ST72C254G2
Description  8-BIT MCU WITH SINGLE VOLTAGE FLASH MEMORY, ADC, 16-BIT TIMERS, SPI, IC INTERFACES
PDF  140 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST72C254G2 Datasheet(HTML) 107 Page - STMicroelectronics

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CLOCK AND TIMING CHARACTERISTICS (Cont’d)
14.5.3.2 Typical Ceramic Resonators
tSU(OSC) is the typical oscillator start-up time measured between VDD=2.8V and the fetch of the first instruction (with a
quick VDD ramp-up from 0 to 5V (<50µs).
Table 21. Typical Ceramic Resonators for General Purpose Applications
Notes:
1. Murata Ceralock (refer to Table 23 for correlation factor)
2. VDD 4.5 to 5.5V
3. Values in parentheses refer to the capacitors integrated in the resonator
Symbol
Parameter
Conditions
Typ
Unit
tSU(osc)
Ceramic resonator start-up time
LP
2MHz
4.2
ms
MP
4MHz
2.1
MS
8MHz
1.1
HS
16MHz
0.7
Option Byte
Config.
fOSC
(MHz)
Resonator Part Number1
CL1
[pF]3
CL2
[pF]3
RFEXT
[k
Ω]
RD
[k
Ω]
LP
1
CSB1000J
100
100
Open
3.3
CSBF1000J
2
CSTS0200MG06
(47)
(47)
0
CSTCC2.00MG0H6
MP
2
CSTS0200MG06
CSTCC2.00MG0H6
4
CSTS0400MG06
CSTCC4.00MG0H6
MS
4
CSTS0400MG06
CSTCC4.00MG0H6
8
CSTS0800MG06
CSTCC8.00MG0H6
HS
8
CSTS0800MG06
CSTCC8.00MG0H6
10
CSTS1000MG03
(15)
(15)
CSTCC10.0MG
12
CST12.0MTW
30
30
CSTCV12.0MTJ0C4
(22)
(22)
162
CSA16.00MXZ040
15
15
CST16.00MXW0C3
(15)
(15)
CSACV16.00MXJ040
15
15
10
CSTCV16.00MXJ0C3
(15)
(15)
CSACW1600MX03
10
10



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