U2783B

Features:

Very low current consumption (typical 3 V/10 mA)
Supply-voltage range 2.7 V to 5.5 V
Maximum input frequency PLL1: 1250 MHz, PLL2: 400 MHz
2 pins for separate power-down functions
Output for PLL lock status
Prescaler 64/65 for PLL1 and 32/33 for PLL2
SSO20 package
ESD protected according to MIL-STD 833 method 3015 cl.2


Pinout




Specifications

Parameters	Symbol	Value	Unit
Supply voltage      Pins 2, 4 and 17	VS, VScp	6	V
Input voltage        Pins 1, 3, 5, 8, 9, 10, 11, 12,                              13, 14, 15, 16, 18 and 20	Vi	0 to VS	V
Junction temperature	Tj	125	°C
Storage-temperature range	Tstg	40 to +125	°C

Description

The IC U2783B is a low-power twin PLL manufactured with TEMIC Semiconductors' advanced UHF process. The maximum operating frequency is 1250 MHz and 400 MHz respectively. U2783B features a wide supply-voltage range from 2.7 V to 5.5 V.

Prescaler and power-down function of U2783B for both PLLs is integrated. Applications are CT1, CT2, IS5 4 etc. Electrostatic sensitive device. Observe precautions for handling.