PNX1701EH,557 NXP Semiconductors, PNX1701EH,557 Datasheet - Page 29
PNX1701EH,557
Manufacturer Part Number
PNX1701EH,557
Description
Manufacturer
NXP Semiconductors
Datasheet
1.PNX1701EH557.pdf
(832 pages)
Specifications of PNX1701EH,557
Operating Temperature (min)
0C
Operating Temperature Classification
Commercial
Mounting
Surface Mount
Lead Free Status / Rohs Status
Not Compliant
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Philips Semiconductors
Volume 1 of 1
Table 1: PNX1700 I/O Types
Table 2: PNX1700 I/O Modes
PNX17XX_SER_1
Preliminary data sheet
Pad Type
PCIT5V
IIC3M4SDAT5V
IIC3M4SCLT5V
BPX2T14MCP
BPTS1CP
BPTS1CHP
BPTS3CP
BPTS3CHP
BPT3MCHT5V
BPT3MCHDT5V 3.3-V regular impedance output, with slow rise/fall time, combined with 5-V tolerant input with hysteresis
IPCP
IPCHP
SSTLCLKIO
SSTLADDIO
SSTLDATIO
Modes
IN
OUT
OD
I/O
I/OD
I/O/D
O
Description
PCI 2.2 compliant I/O using 3.3- or 5- V PCI signaling conventions.
Open drain 3.3- or 5- V I
3.3-V low impedance output, with fast rise/fall time, combined with 3.3-V input only.
Used for Clock signals requires board level 27-33
3.3-V regular impedance output, with fast rise/fall time, combined with 3.3-V input only.
3.3-V regular impedance output, with fast rise/fall time, combined with 3.3-V input only with hysteresis.
3.3-V regular impedance output, with slow rise/fall time, combined with 3.3-V input only.
3.3-V regular impedance output, with slow rise/fall time, combined with 3.3-V input only with hysteresis.
3.3-V regular impedance output, with slow rise/fall time, combined with 5-V tolerant input with hysteresis.
and internal pull-down.
Note: The pull-down is NOT strong enough to actually pull down a 5-V TTL input. Instead the TTL input
pin sees a ‘1’.
3.3-V input only.
3.3-V input only with hysteresis.
SSTL_2 low impedance, e.g. DDR SDRAM clocks. Requires a board level 10
to match a 50
SSTL_2 low impedance for output signals, e.g. DDR SDRAM address and control signals. Requires a
board level matched 50
SSTL_2 low impedance for DDR SDRAM data signals. Requires a board level matched 50
Description
Input only, except during boundary scan or GPIO mode.
Output only, except when used as a GPIO pin.
Open drain output - active pull low, no active drive high, requires external pull-up.
Input or Output.
Input or open drain output - active pull low, no active drive high, requires external pull-up.
Input or output or open drain output with input - active pull low, no active drive high, requires external pull-
up when operated in open drain mode.
Output or floating.
PNX1700 uses different I/Os depending on the type of the interface, e.g. PCI, or
electrical characteristics needed for the functionality, e.g. a clock signal requires
sharper edges than a regular signal. The following table summarizes the types of I/
Os, a.k.a. pads, used in PNX1700.
The above pad types are used in the modes listed in the following table
Unused pins may remain unconnected, i.e. floating if they contain an internal pull-up
or pull-down. More specifically,
PCB trace.
2
C I/Os.
PCB trace.
Rev. 1 — 17 March 2006
series terminator resistor to match 50
Chapter 1: Integrated Circuit Data
© Koninklijke Philips Electronics N.V. 2006. All rights reserved.
PNX17xx Series
series terminator resistor
PCB trace.
PCB trace.
1-2
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