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參數(shù)資料
| 型號： | SEL2512B-FREQ |
| 廠商： | PERICOM SEMICONDUCTOR CORP |
| 元件分類： | XO, clock |
| 英文描述： | CRYSTAL OSCILLATOR, CLOCK, 7 MHz - 133.3333 MHz, ECL 10KH OUTPUT |
| 文件頁數(shù)： | 2/2頁 |
| 文件大?。?/td> | 546K |
| 代理商： | SEL2512B-FREQ |
All specifications are subject to change without notice.
SaRonix
Crystal Clock Oscillator
Technical Data
SEL24xx / SEL25xx Series
DS-217
REV B
SaRonix
3.3 & 5V, High Frequency, ECL
http://www.pericom.com/saronix
Table II
mm
inches
Truth Table I - Positive Supply
Output Waveforms
50
INTERNAL SCOPE
TERMINATION TO GND
-3V
8
14
OSCILLATOR
17
50
INTERNAL SCOPE
TERMINATION TO GND
2V
-3V
OSCILLATOR
Enable
(See Table I)
1
7
14
8
2V
50
INTERNAL SCOPE
TERMINATION TO GND
(For SEL2430 use -1.3V)
(For SEL2511 use -3.2V)
(For SEL2431use -1.3V)
(For SEL2511 use 2V)
SEL24x0
SEL24x1
Test Circuits
Enable Function and Supply Options
Package Details
Pin 14
(4) Glass
Insulators
Pin 1
Pin 7
21.0
.825
max
.46±.08
.018±.003
15.24±.13
.600±.005
5.08
.200
max
13.0
.510
max
VBB (VCC -1.29V)
80%
20%
Logic 1
Logic 0
SYMMETRY
45% min, 55% max
Disable Wired-or
VOH min
VOL max
Complementary
Logic 1
80%
20%
Logic 0
SYMMETRY
45% min, 55% max
Outputs
Crossing
VOH min
VOL max
Clock Output
Logic 0
Pin 1
EN
Logic 0
Logic1
Enable/Disable Propagation Delay:
10K: ( ( 1/f ) / 2 ) +250ps max
10KH: ( ( 1/f ) / 2 ) +2ns max
0.9
.036
max
Device
Pin 7 (Case)
Pin 14
SEL24xx
VEE 0V
VCC +5V (+3.3V 10KE)
SEL251x
VCC 0V
VEE -5V ( -3.3V )
6.35±.51
.250±.020
7.75
.305
Pin 8
Denotes Pin 1
SARONIX
Marking Format**
Includes Date Code, Frequency, Model
Q
SEL2xx1
E/D SEL24x0
N/C SEL2xx2
VCC SEL24xx
VEE SEL251x
Pin Functions:
Pin 1:
Pin 14:
Case
VEE SEL24xx
VCC SEL251x
Q
Pin 7:
Pin 8:
13.46±.25
.530±.010
1.78
.070
typ
Gull Wing Package
Scale: None ( Dimensions in
)
**Exact location of items may vary
Pin 8
max
* Package with true SMD adapter is not
shown, please see separate data sheet.
New
True SMD Package*
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