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The DS8627 and DS8628 are low power fixed ratio prescalers which divide by 24 and 20 respectively The inputs can be driven either single or double-ended and they are buffered providing 40 100 mVrms input sensitivity The output provided is open-collector and is capable of interfacing with TTL and CMOS The device can be used in phase-locked loop applications s.
Y Y Y
Input frequency 130 MHz (-4 -3) 225 mHz (-2 std) Low power 10 mA (-4 -2) 7 mA (-3 std) Input sensitivity 100 mVrms (-4 -3) 40 mVrms (-2 std)
Logic and Connection Diagrams
DS8627 ( d 24)
TL F 5009
– 1
DS8628 ( d 20)
TL F 5009
– 2
Dual-In-Line Package
TL F 5009
– 3
Top View Order Number DS8627N or DS8628N (-4 -3 -2) See NS Package Number N08E
C1995 National Semiconductor Corporation
TL F 5009
RRD-B30M115 Printed in U S A
Absolute Maximum Ratings (Note 1)
If Military Aerospace specified devices are required please contact the National Semiconductor Sales Office Distributors for .
| No. | Partie # | Fabricant | Description | Fiche Technique |
|---|---|---|---|---|
| 1 | DS8627 |
National Semiconductor |
130/225 MHz Low Power Prescalers |
|
| 2 | DS8629 |
National Semiconductor |
120 Mhz Divide by 100 Prescaler |
|
| 3 | DS8603 |
DSTECH |
200mA Low Dropout Voltage Linear Regulator |
|
| 4 | DS8615 |
National Semiconductor |
130/225 MHz Low Power Dual Modulus Prescalers |
|
| 5 | DS8616 |
National Semiconductor |
130/225 MHz Low Power Dual Modulus Prescalers |
|
| 6 | DS8640 |
National Semiconductor |
Quad NOR Unified Bus Receiver |
|
| 7 | DS8641 |
National Semiconductor |
Quad Unified Bus Transceiver |
|
| 8 | DS8654 |
National Semiconductor |
8-Output Display Driver |
|
| 9 | DS8664 |
National Semiconductor |
14-Digit Decoder / Driver |
|
| 10 | DS8669 |
National Semiconductor |
2-Digit BCD to 7-Segment Decoder/Driver |
|
| 11 | DS8673 |
National Semiconductor |
Low Power VHF/UHF Prescalers |
|
| 12 | DS8674 |
National Semiconductor |
Low Power VHF/UHF Prescalers |
|