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PCA9504A
Datasheet
General description
The PCA9504A Glue Chip 4 is a highly integrated and cost-efficient custom ASIC that reduces logic part count, overall component cost, and board space requirements for PC designers and manufacturers. The Glue Chip 4 supports the latest generation of high-volume platforms based on Intel[ processors and chipsets that require additional external circuitry in order to function properly. It is used on entry servers/workstations (840 and 860 chipsets), high-end desktops (820 and 850 chipsets), as well as mid range (815, 830 and 845 chipsets) and low-end (810 chipset) motherboards. Some of these functionalities include meeting timing specifications, buffering signals, and switching between power wells.
The PCA9504A Glue Chip 4 integrates miscellaneous motherboard logic and analog functions into a single, small footprint 56-pin TSSOP device. The Glue Chip 4 typically resides on the motherboard close to the I/O controller Hub (ICH) and is optimized for the Intel 82801BA I/O controller hub (ICH2).
Features
- Dual, Strapping, Selectable Feature Sets
- Audio-disable Circuit
- Mute Audio Circuit
- 5 V reference generation
- 5 V standby reference generation
- HD single color LED driver
- IDE reset signal generation/PCIRST# buffers
- PWROK (PWRGD_3V) signal generation
- Power Sequencing / BACKFEED_CUT
- Power Supply turn on circuitry
- RMSRST# generation
- Voltage translation for DDC to VGA monitor
- HSYNCH / VSYNCH voltage translation to VGA monitor
- 3-state buffers for test
- Extra GP Logic gates
- Power LED Drivers
- Flash FLUSH# / INIT# circuit
- 5 V I2C to 3.3 V SMBus conversion to 400 kHz
- Requires both 3.3 V and 5.0 V operating voltages
- 0 to +70 Cel operating temperature range
- ESD protection exceeds 1000 V HBM per JESD22-A114 and 750 V CDM per JESD22-C101
- Latch-up testing is done to JEDEC Standard JESD78 which exceeds 100 mA
- Package offered: TSSOP56
Products/packages
| Type number | Orderable part number | Ordering code (12NC) | Product status | Package | Packing | Marking | Chemical content | Leadfree conversion date |
|---|---|---|---|---|---|---|---|---|
| PCA9504ADGG | PCA9504ADGG,112 | 9352 678 64112 | Volume production | SOT364-1
(TSSOP56) | Tube | Standard Marking | PCA9504ADGG
| week 40, 2005 |
| PCA9504ADGG | PCA9504ADGG,118 | 9352 678 64118 | Volume production | SOT364-1
(TSSOP56) | Reel Pack, SMD, 13" | Standard Marking | PCA9504ADGG
| week 40, 2005 |
Pricing/ordering/availability
| Type number | Ordering code(12NC) | Orderable part number | Indicative price/unit($) | Region | Distributor | In stock | Order quantity | Inventory date | Buy online | Samples |
|---|---|---|---|---|---|---|---|---|---|---|
| PCA9504ADGG | 9352 678 64112 | PCA9504ADGG,112 | 1.4900 | NA | ARROW ELECTRONICS | 290 | 7/2/2009 | Buy online | not available | |
| NA | AVNET ELECTRONICS MARKETING | 1,750 | 7/2/2009 | Buy online | ||||||
| PCA9504ADGG | 9352 678 64118 | PCA9504ADGG,118 | 1.4500 | NA | MOUSER ELECTRONICS | 195 | 7/4/2009 | Buy online | Order samples | |
| NA | FUTURE ELECTRONICS | 200 | 7/3/2009 | Buy online |
Design support
Application Notes
Support Documents
39340011_21;
I2C-bus specification (version 2.1) (2000-01-01)Parametrics/similar products
| Type number | Package | Supply voltage(V) | Application | FUNCTION | Operating temp.(Cel) | Operating Voltage Range 2(V) |
|---|---|---|---|---|---|---|
| PCA9504ADGG | SOT364-1
(TSSOP56) | 3.0~3.6 | Intel entry servers/workstations (840 and 860 chipsets), high-end desktops (820 and 850 chipsets), as well as mid range (815, 830 and 845 chipsets) and low-end (810 chipset) motherboards | Optimized for the Intel 82801BA I/O controller hub (ICH2) | -40~85 | 4.5~5.5 |
Similar products
PCA9504A
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