鈥?/div>
Precision RTC 32 kHz and 24 MHz output
Power-down mode (32 kHz on) is < 50 uA
Suspend mode (V24M = off) is typically 5 uA
Low RMS period Jitter (< 40 ps)
鈥?16-pin TSSOP package
鈥?3.3V + 5% Voltage Supply
鈥?CY2040-2 multiplier 32.000 kHz 脳 750 = 24.0 MHz
(requires a single 32.000 kHz crystal)
鈥?CY2040-3 enables the 32 kHz and 24.0 MHz oscillators
(requires a 32.768 kHz and 24.000 MHz crystal)
Logic Block Diagram
XIN32K
XOUT32K
32kHz
OSC
Pin Configuration
OUT32K
NC
32K P LLE N
P D24M #
V32K
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
VSS
O UT24M
O UT32KPLL
O UT32K
XO UT24M
X IN 2 4 M
VSS
NC
Q=INPUT
DIVIDER
PLL
V24M
POST
DIVIDER
X IN 3 2 K
XO UT32K
NC
P=FEEDBACK
DIVIDER
OUT24M
XIN24M
XOUT24M
24MHz
OSC
OUT32KPLL
PD24M#
32KPLLEN
CONTROL LOGIC
Cypress Semiconductor Corporation
Document #: 38-07122 Rev. *A
鈥?/div>
3901 North First Street
鈥?/div>
San Jose
鈥?/div>
CA 95134
鈥?408-943-2600
December 14, 2002
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