參數(shù)資料
型號: LMX2346TM/NOPB
廠商: NATIONAL SEMICONDUCTOR CORP
元件分類: PLL合成/DDS/VCOs
英文描述: PLL FREQUENCY SYNTHESIZER, 2000 MHz, PDSO16
封裝: TSSOP-16
文件頁數(shù): 21/27頁
文件大?。?/td> 597K
代理商: LMX2346TM/NOPB
Pin Descriptions (Continued)
Pin Name
Pin Number
I/O
Description
I/O Circuit Configuration
16-Pin
CSP
16-Pin
TSSOP
F
INB
5
7
I
RF prescaler complementary input. For
single ended operation, this pin should be
AC grounded. The LMX2346/7 can be
driven differentially when a bypass
capacitor is omitted.
F
IN
6
8
I
RF PLL prescaler input. Small signal
input from the VCO.
CLOCK
8
9
I
High impedance CMOS Clock input. Data
is clocked in on the rising edge, into the
18-bit shift register.
DATA
9
10
I
Binary serial data input. Data entered
MSB first. LSB is control bit. High
impedance CMOS input.
LE
10
11
I
Latch Enable input. When Latch Enable
transitions HIGH, data stored in the 18-bit
shift register is loaded into one of the 2
control registers, based on the address
bit. High impendance CMOS input.
CE
11
12
I
Chip Enable input. Provides logical
power-down control of the device. Pull-up
to V
CC if unused. High impedance CMOS
input.
LMX2346/LMX2347
www.national.com
3
相關(guān)PDF資料
PDF描述
LMX2346TMX/NOPB PLL FREQUENCY SYNTHESIZER, 2000 MHz, PDSO16
LMX2346SLBX/NOPB PLL FREQUENCY SYNTHESIZER, 2000 MHz, CQCC16
LMX2350TM/NOPB PLL FREQUENCY SYNTHESIZER, 2500 MHz, PDSO24
LMX2352SLB PLL FREQUENCY SYNTHESIZER, 1200 MHz, PQCC24
LMX2352SLBX PLL FREQUENCY SYNTHESIZER, 1200 MHz, PQCC24
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