RTM876-660 Datasheet – SSOP56, Frequency Generator
56 pin single-chip frequency generator
Package 56 pin
RTM876-660 overview
A frequency generator is a device or software that is capable of producing electrical signals at various frequencies. It is commonly used in electronics, telecommunications, scientific research, and other fields where precise frequency control is required.
The RTM876-660 is a 56 pin single-chip frequency generator.
Frequency generators can generate signals across a wide range of frequencies, from very low frequencies (in the hertz or millihertz range) to extremely high frequencies (in the gigahertz or terahertz range). They are often used for testing and calibrating electronic equipment, as well as for stimulating and measuring the response of circuits and systems.
Datasheet
rtm876-660-datasheet.pdf
RTM876-660 features
- RTM876-660 Support Pin Features
- 2 - Differential pairs push-pull CPU @ 0.8V or @3.3V
- 6 - Differential pairs push-pull PCI-E @ 0.8V
- 1 - Differential pairs push-pull SATA @ 0.8V or PCI-E @0.8V
- 1 - Differential pairs push-pull DOT96/ SATA@ 0.8V or 2-Link @3.3V
- 7 - PCI @3.3V
- 2 - 48MHz @3.3V
- 3 - REF @3.3V, 14.318MHz
- Others Features
- Programmable frequency with CPU/PCIE/AGP/PCI
- CPU working range support from 100MHz to 400MHz
- Independent clock group Spread spectrum for EMI control
- Power Management function support
- Watchdog programmable time base reset output
- 4-steps programmable drive strength
- 16-steps programmable skew adjustment with 75p resolution
- 4-stages dynamic frequency switch with innovative AFM over-clock profile
- PCIE clock phase jitter < 86ps.
RTM876-660 pinout
| Pin | Name | Description |
|---|---|---|
| 1 | PCI - 1 | 3.3V 33MHz PCI output. |
| **CLKREQ#A | low | |
| 2 | GND | Ground pin. |
| 3 | **FS_A | 1.8V LVTTL frequency selection pin., refer to HW latch frequency table |
| 4 | *FS_B | 1.8V LVTTL frequency selection pin. ., refer to HW latch frequency table |
| 5 | VDD_3.3 | 3.3V power input pin. |
| 6 | *SEL_P4_K8# | 3.3V LVTTL CPU mode selection pin. 0 = K8 mode 1 = P4 mode |
| 7 | *SEL_0 | 3.3V LVTTL chipset mode selection pin. Refer to CHIPSET SELECT table |
| 8 | PCI – 6F | 3.3V 33MHz PCI output. |
| **SYNC | low | |
| 9 | VDD_3.3 | 3.3V power input pin. |
| 10 | **Sel24_48# | 3.3V LVTTL frequency selection pin. 1 = 24MHz 0 = 48MHz |
| 11 | **Sel_1 | 3.3V LVTTL chipset mode selection pin. . Refer to CHIPSET SELECT table |
| 12 | GND | Ground pin. |
| 13 | VDD_3.3 | 3.3V power input pin. |
| 14 | Link – 0 | 3.3V 66/133 MHz PCI output. Refer to chipset selection table |
| 15 | Link – 1 | 3.3V 66/133 MHz PCI output. Refer to chipset selection table |
| 16 | GND | Ground pin. |
| 17 | VDD_3.3 | 3.3V power input pin. |
| 18 | SATA | 0.8V SATA “true” differential output. |
| 19 | SATA# | 0.8V SATA “complementary” differential output. |
| 20 | GND | Ground pin. |
| 21 | PCIE - 1 | 0.8V PCIE “true” differential output. |
| 22 | PCIE - 1# | 0.8V PCIE “complementary” differential output. |
Show all 34 pins
| Pin | Name | Description |
|---|---|---|
| 23 | GND | Ground pin. |
| 24 | PCIE - 2 | 0.8V PCIE “true” differential output. |
| 25 | PCIE - 2# | 0.8V PCIE “complementary” differential output. |
| 26 | VDD_3.3 | 3.3V power input pin. |
| 27 | PCIE - 3 | 0.8V PCIE “true” differential output. |
| 28 | PCIE - 3# | 0.8V PCIE “complementary” differential output. |
| 29 | PCIE – 6# | 0.8V PCIE “complementary” differential output. |
| 30 | PCIE - 6 | 0.8V PCIE “true” differential output. |
| 31 | GND | Ground pin. |
| 32 | PCIE – 7# | 0.8V PCIE “complementary” differential output. |
RTM876-660 applications
- Motherboard Chipsets
- Desktop Computers
- Laptop and Notebook Computers
- Small Form Factor PCs
- All-in-One PCs
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