IP4770_71_72CZ16 NXP Semiconductors, IP4770_71_72CZ16 Datasheet - Page 4

• Manufacturer Part Number: IP4770_71_72CZ16
• Description: The IP4770CZ16, IP4771CZ16, IP4772CZ16 is connected between the VGA/DVIinterface and the video graphics controller and includes level shifting for the DDC signals,buffering for the SYNC lines as well as high-level ESD protection diodes for the RGBsig
• Manufacturer: NXP Semiconductors

NXP Semiconductors
7. Pinning information
IP4770_71_72CZ16
Product data sheet
7.1 Pinning
7.2 Pin description
Table 3.
Symbol
V
V
VIDEO_1
VIDEO_2
VIDEO_3
GND
V
BYP
DDC_OUT1
DDC_IN1
DDC_IN2
DDC_OUT2
SYNC_IN1
SYNC_OUT1 14
SYNC_IN2
SYNC_OUT2 16
Fig 2.
CC(SYNC)
CC(VIDEO)
CC(DDC)
Pin configuration
Pin description
Pin Description
1
2
3
4
5
6
7
8
9
10
11
12
13
15
All information provided in this document is subject to legal disclaimers.
supply voltage for SYNC_1 and SYNC_2 level shifter and their connected
ESD protections
supply voltage for VIDEO_1, VIDEO_2 and VIDEO_3 protection circuits
video signal ESD protection channel 1
video signal ESD protection channel 2
video signal ESD protection channel 3
ground
supply voltage for DDC_1 and DDC_2 level shifter N-FET gates
this input is used to connect an external 0.2 μF bypass capacitor to increase
ESD withstand voltage rating for the DDC outputs (±8 kV with capacitor or
±4 kV without capacitor)
DDC signal output 1; connected to the video connector side of one of the
SYNC lines
DDC signal input 1; connected to the VGA controller side of one of the SYNC
lines
DDC signal input 2; connected to the VGA controller side of one of the SYNC
lines
DDC signal output 2; connected to the video connector side of one of the
SYNC lines
SYNC signal input 1; connected to the VGA controller side of one of the
SYNC lines
SYNC signal output 1; connected to the video connector side of one of the
SYNC lines
SYNC signal input 2; connected to the VGA controller side of one of the
SYNC lines
SYNC signal output 2; connected to the video connector side of one of the
SYNC lines
V
V
CC(VIDEO)
Rev. 2 — 19 May 2011
V
CC(SYNC)
VIDEO_1
VIDEO_2
VIDEO_3
CC(DCC)
GND
BYP
1
2
3
4
5
6
7
8
IP4770CZ16
IP4771CZ16
IP4772CZ16
001aae809
IP4770/71/72CZ16
16
15
14
13
12
11
10
9
SYNC_OUT2
SYNC_IN2
SYNC_OUT1
SYNC_IN1
DDC_OUT2
DDC_IN2
DDC_IN1
DDC_OUT1
VGA/video interface
© NXP B.V. 2011. All rights reserved.
4 of 14