PT7C4302 PERICOM [Pericom Semiconductor Corporation], PT7C4302 Datasheet - Page 2

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PT7C4302

Manufacturer Part Number
PT7C4302
Description
Real-time Clock Module (3-wire Interface)
Manufacturer
PERICOM [Pericom Semiconductor Corporation]
Datasheet

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Function Block
Recommended Layout for Crystal
Crystal Specifications
The crystal, traces and crystal input pins should be isolated from RF generating signals.
PT0225(11/05)
32.768
Nominal Frequency
kHz
Load Capacitance
Series Resistance
VCC2
VCC1
Parameter
X2
X1
C
C
G
D
OSC
Power Manager
Local Ground plane
Layer 2
Symbol
ESR
C
f
O
L
32.768kHz
Crystal
Counter
Chain
PT7C4302
Min
Decoder
Address
(Sec,Min,Hour,Day,Date,Month,Year)
Shift Registers
Time Counter
2
Real-time Clock Module (3-wire Interface)
X1
X2
32.768
Typ
Address
Register
6
Guard Ring
(connect to gound)
PT7C4307
PT7C4302
Interface
(3-wires)
31 x 8
RAM
I /O
Max
45
Data Sheet
SCLK
PT7C4302
RST
I/O
Unit
kHz
kΩ
pF
Ver: 0

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