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參數(shù)資料
| 型號： | UMA1021M |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | XO, clock |
| 英文描述： | Low-voltage frequency synthesizer for radio telephones |
| 中文描述： | PLL FREQUENCY SYNTHESIZER, 2200 MHz, PDSO20 |
| 封裝： | 4.40 MM, PLASTIC, SOT-266-1, SSOP-20 |
| 文件頁數(shù)： | 10/16頁 |
| 文件大?。?/td> | 107K |
| 代理商： | UMA1021M |
1999 Jun 17
10
Philips Semiconductors
Product specification
Low-voltage frequency synthesizer
for radio telephones
UMA1021M
SERIAL BUS TIMING CHARACTERISTICS
V
DD
= V
CC
= 3 V; T
amb
= 25
°
C; unless otherwise specified.
Note
1.
The minimum pulse width (t
W(min)
) can be smaller than 4
μ
s provided all the following conditions are fulfilled:
a) Main divider input frequency
.
b) Reference divider input frequency
.
SYMBOL
PARAMETER
MIN.
TYP.
MAX.
UNIT
Serial programming clock; CLK
t
r
t
f
T
cy
input rise time
input fall time
clock period
100
10
10
40
40
ns
ns
ns
Enable programming; E
t
START
t
END
t
W(min)
t
SU;E
delay to rising clock edge
delay from last falling clock edge
minimum inactive pulse width
enable set-up time to next clock edge
40
20
4000
(1)
20
ns
ns
ns
ns
Register serial input data; DATA
t
SU;DAT
t
HD;DAT
input data to clock set-up time
input data to clock hold time
20
20
ns
ns
f
RF
t
W min
)
---447
>
f
xtal
W min
)
t
>
Fig.3 Serial bus timing diagram.
handbook, full pagewidth
MGD565
MSB
LSB
ADDRESS
tSTART
tHD;DAT
Tcy
tr
tf
tW(min)
tENDtSU;E
CLK
DATA
E
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| UMA1021M/C2 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:IC-SM-FREQ SYNTHESIZER |
| UMA1022M | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Low cost dual frequency synthesizer for radio telephones |
| UMA10A | 制造商:MICROSEMI 制造商全稱:Microsemi Corporation 功能描述:ULTRAMITE SURFACE MOUNT 500 Watt Transient Voltage Suppressor 5.0 to 170 V |
| UMA10CA | 制造商:MICROSEMI 制造商全稱:Microsemi Corporation 功能描述:ULTRAMITE SURFACE MOUNT 500 Watt Transient Voltage Suppressor 5.0 to 170 V |
| UMA10N | 制造商:ROHM 制造商全稱:Rohm 功能描述:General purpose (dual digital transistors) |
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