參數(shù)資料
型號: 73S8024C-IL/F
廠商: MAXIM INTEGRATED PRODUCTS INC
元件分類: 模擬信號調(diào)理
英文描述: SPECIALTY ANALOG CIRCUIT, PDSO28
封裝: LEAD FREE, SOP-28
文件頁數(shù): 5/22頁
文件大?。?/td> 471K
代理商: 73S8024C-IL/F
DS_8024C_023
73S8024C Data Sheet
Rev. 1.3
13
12 Typical Application Schematic
C2
22pF
C3
22pF
See NOTE 5
RSTIN_f rom_uC
CMDVCC_f rom_uC
C6
100nF
5V/3V_select_f rom_uC
AUX1UC_to.f rom_uC
AUX2UC_to/f rom_uC
SO28
See NOTE 1
See NOTE 4
CLK track should be routed
far from RST, I/O, C4 and
C8.
Low ESR (<100mohms) C1
should be placed near the SC
connecter contact
See NOTE 2
External_clock_f rom uC
See NOTE 3
- OR -
VDD
R2
20K
See NOTE 6
Card detection
switch is
normally
closed.
C1
NDS & ISO7816=1uF, EMV=3.3uF
L1
10uH
R1
Rext1
See
note 7
CLKDIV2_f rom_uC
CLKDIV1_f rom_uC
See note 8
VDD
See
NOTE 1
R3
Rext2
VDD
NOTES:
1) VDD supply must be =2.7V to 3.6V DC.
2) Optional, can be left open
3) Required if external clock from uP is used.
4) Required if crystal is used.
Y1, C2 and C3 must be removed if external clock is used.
5) Pin can not float. Must be driven or connected to GND
if power down function is not used.
6)Internal pull-up allows it to be left open if unused.
7) Rext1 and Rext2 are external resistors to ground and
Vdd to modify the VDDfault voltage. Can be left open
8) Keep L1 close to pin 5
OFF_interrupt_to_uC
VDD
IOUC_to/f rom_uC
PWRDN_f rom_uC
Y1
CRY STAL
Smart Card Connector
VC
C
1
R
ST
2
C
LK
3
C4
4
GN
D
5
VPP
6
I/
O
7
C8
8
SW
-1
9
SW
-2
1
0
U5
73S8024C
CLKDIV1
1
CLKDIV2
2
5V3V_
3
GND
4
LIN
5
VDD
6
NC
7
AUX2
12
PWRDN
8
PRESB
9
PRES
10
I/O
11
AUX1
13
GND
14
CLK
15
RST
16
VCC
17
VDD_ADJ
18
CMDVCC_
19
RSTIN
20
VDD
21
GND
22
OFF_
23
AUX2UC
28
AUX1UC
27
XTALOUT
25
XTALIN
24
I/OUC
26
C4
100nF
C5
10uF
Figure 9: 73S8024C Typical Application Schematic
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PDF描述
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