73S8009C Datasheet, PDF (3/33 Pages) Teridian Semiconductor Corporation – Versatile Power Management and Smart Card Interface IC

73S8009C Data Sheet
FUNCTIONAL DIAGRAM
CS TEST1 TEST2
12
10 [7] 30 [20]
VDD
VBAT VBUS
29 [19] 25
23
24 [15]
ON_OFF
4 [3]
CMDVCC5
5 [4]
CMDVCC3
32 [1]
OFF
8
RDY
11
OFF_REQ
9
OFF_ACK
6 [5]
RSTIN
7 [6]
CLKIN
1 [2]
I/OUC
2
AUX1UC
3
AUX2UC
CONTROL
LOGIC
VOLTAGE
REFERENCE
vref
bias currents
VCC FAULT
VPC FAULT
VCC OK
VCC = 5
VCC = 3
POWER DOWN
ON/OFF
S2
S1
SWITCH/LDO
REGULATOR
RESET
BUFFER
CLOCK
BUFFER
1.5MHz
R-C
OSC.
SMART CARD I/O BUFFERS
AND SIGNAL LOGIC
28 [18]
GND
Pin numbers reference to the QFN32 package
[Pin numbers] reference to the QFN20 package
Figure 1: 73S8009C Block Diagram
DS_8009C_025
15 [9]
VP
26 [16]
VPC
27 [17]
LIN
17 [11]
GND
19 [13]
VCC
18 [12]
RST
16 [10]
CLK
14 [8]
PRES
13 _PRES
22 [14]
I/O
21
AUX1
20
AUX2
Rev. 1.4
3