NXP Semiconductors PCA9504A
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).| Part No. | PCA9504A |
|---|---|
| Datasheet | PCA9504A Download |
| Manufacturer |  NXP Semiconductors |
| Description | Glue chip 4 |
| Buy | Stock & Price |
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 °C operating temperature range
● ESD protection exceeds 1000 V HBM per JESD22-A114 and 750 V CDM per JESD22-C101 PIN CONFIGURATION VREF3IN V_5P0_STBY V_3P3_STBY GPO_FLUSH_CACHE/GP1_IN 1 2 3 4 5 6 7 8 9 56 GP3_OUT 55 GP3_IN 54 STRAP 53 VCCP_VREF 52 VSYNC_5V 51 HSYNC_5V 50 VSYNC_3V 49 HSYNC_3V 48 REF5V_STBY 47 AUD_SHDN 46 MUTE_AUD 45...
