參數資料
型號: UMA1022M
廠商: NXP SEMICONDUCTORS
元件分類: XO, clock
英文描述: Low cost dual frequency synthesizer for radio telephones
中文描述: PLL FREQUENCY SYNTHESIZER, 2100 MHz, PDSO20
封裝: 4.40 MM, PLASTIC, SOT-266-1, SSOP-20
文件頁數: 13/20頁
文件大?。?/td> 126K
代理商: UMA1022M
1998 Dec 09
13
Philips Semiconductors
Product specification
Low cost dual frequency synthesizer for
radio telephones
UMA1022M
AC TIMING CHARACTERISTICS
V
DD
= V
DDX
= V
CCA
= V
CCB
= 3 V; T
amb
= 25
°
C; unless otherwise specified.
SYMBOL
PARAMETER
MIN.
TYP.
MAX.
UNIT
μ
s
μ
s
μ
s
t
PUP
t
PDWN
t
START
delay for initial power-up
time for power-down from E = 0 (ON
A
/ON
B
= 0)
time to turn-on either the RF or IF synthesizer from
ON
A
/ON
B
time to turn-off either the RF or IF synthesizer from
ON
A
/ON
B
waiting time before sending data on the serial bus
400
100
50
t
END
70
μ
s
t
SEND
15000
μ
s
Fig.4 AC timing characteristics.
handbook, full pagewidth
MGE631
VDD = VCCA = VCCB
Itot
ONA = '1'
or
ONB = '1'
E
tSEND
tPUP
tSTART
tEND
tPDWN
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