| Part Numbering System |
| HOLDER TYPE | FREQUENCY | EXTENDED TEMPERATURE | |
| PM1 | 14PIN DIP | In MHz | EXT |
| PM2 | 8PIN DIP | ||
|
|
Full metal resistance welded package and pin 7 case ground minimize the RF radiation and EMI. |
| |
Standard full size and half size 4 pin DIP package. Glass stand-offs at bottom for proper defluxing. |
| |
TTL/CMOS output. Choice of ±25 ppm, ±50 ppm and ±100 ppm all inclusive frequency stability. |
SPECIFICATIONS TA = 25C, Vdd = 5V
|
Frequency Range |
1 to 70 MHz |
|
Package |
PM-1: Full size 14 pin DIP |
|
PM-2: Half size 14 pin DIP |
|
|
Frequency Stability |
A: ±25 ppm to ±100 ppm |
|
Output Load |
1 - 10 TTL Gates or CMOS 15 to 50 pF |
|
Input Current |
1 – 4 MHz: 10 mA max. |
| 4 – 32 MHz: 30 mA max. | |
| 32 – 70 MHz: 45 mA max. | |
|
Logic "1" Level |
90% Vdd min. (CMOS), 2.4 V min. (TTL) |
|
Logic "0" Level |
10% Vdd max. (CMOS), 0.4 V max. (TTL) |
|
Symmetry (Duty Cycle) |
50%±10% max. at 0.5 Vdd (standard and default) 50%±5% max. at 0.5 Vdd (option) |
|
Rise and Fall Time |
10 ns max. (under 24 MHz), 6ns max. (24 - 70 MHz) |
|
Input Voltage |
5V D.C. ±10% operating, 7V D.C. max. |
|
Operating Temperature |
0° C to +70° C (Normal), -40° C to +85° C (Extended) |
|
Disable Phase Delay |
100 nSec max. |
|
Storage Temperature |
-50 °C to +125 °C |
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Copyright © 1999 West Crystal Company Ltd. All rights reserved. |