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UPD2845GR Datasheet(PDF) 1 Page - NEC

Part No. UPD2845GR
Description  1 V, 1.3 mA, 94MHz PLL SYNTHESIZER LSI FOR PAGER SYSTEM
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Maker  NEC [NEC]
Homepage  http://www.nec.com/
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UPD2845GR Datasheet(HTML) 1 Page - NEC

 
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DATA SHEET
CMOS DIGITAL INTEGRATED CIRCUITS
PPPPPD2845GR
1 V, 1.3 mA, 94MHz PLL SYNTHESIZER LSI
FOR PAGER SYSTEM
1994
©
Document No. P12150EJ2V0DS00 (2nd edition)
(Previous No. IC-3291)
Date Published February 1997 N
Pi
d i J
DATA SHEET
DESCRIPTION
PPD2845GR is a PLL synthesizer LSI for pager system. This LSI is manufactured using low voltage CMOS
process and therefore realized the low power consumption PLL operated on 1 V, 1.3 mA. This LSI is packaged in 16
pin plastic SSOP suitable for high-density surface mounting. So, this product contributes to produce a long-life-
battery and physically-small pager system.
FEATURES
• Operating frequency : · Input frequency : fin = 10 MHz to 94 MHz
· Reference oscillating frequency
: fx’tal = 12.8 MHz
• Low Supply voltage
: · PLL block : VDD1 = 1.00 V to 1.15 V @ fin = 10 MHz to 70 MHz
VDD1 = 1.05 V to 1.15 V @ fin = 10 MHz to 94 MHz
· Charge pump block: VDD2 = 3.0 V ± 300 mV
• Low power consumption
• IDD = 1.3 mA TYP. @ fin = 70 MHz, fx’tal = 12.8 MHz
• Equipped with power-save function
• Serial data can be received in power-save mode.
• Packaged in 16 pin plastic SSOP suitable for high-density surface mounting.
ORDERING INFORMATION
PART NUMBER
PACKAGE
SUPPLYING FORM
PPD2845GR-E1
16 pin plastic SSOP
(225 mil)
Embossed tape 12 mm wide. QTY 2.5 k/reel
Pin 1 is in tape pull-out direction.
PPD2845GR-E2
16 pin plastic SSOP
(225 mil)
Embossed tape 12 mm wide. QTY 2.5 k/reel
Pin 1 is in tape roll-in direction.
* To order evaluation samples, please contact your local NEC sales office (Order number :
PPD2845GR).
PIN ASSIGNMENT
VDD1
FIN
GND
FR
RESET
EO
EOP
EON
XI
XO
LE
CLK
DATA
PS
NC
VDD2
(Top View)
Caution Electro-static sensitive devices


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