cbtu4411 NXP Semiconductors, cbtu4411 Datasheet - Page 4

• Manufacturer Part Number: cbtu4411
• Description: Cbtu4411 11-bit Ddr2 Sdram Mux/bus Switch With 12 Ohm On-resistance
• Manufacturer: NXP Semiconductors

Philips Semiconductors
FUNCTION TABLE, CHANNELS 0–9
H = HIGH voltage level
L = LOW voltage level
high-Z = high-impedance
FUNCTION TABLE, CHANNEL 10
I
2006 Sep 22
DDQ
EN
11-bit DDR2 SDRAM mux/bus switch
with 12
H
H
V
L
L
L
L
L
L
L
L
BIAS
EN
EN
H
H
L
L
L
L
L
L
V
TEST MODE
Condition
BIAS
< 0.5
S1
H
H
H
H
X
X
L
L
L
L
INPUTS
= V
INPUTS
INPUTS
TERM
DD
S0
V
H
H
H
H
X
X
L
L
L
L
H
X
L
S1
DD
H
H
X
L
L
on-resistance
STREN
Description
All DIMM ports are disconnected (high-impedance) from their Host ports, and disconnected (high-impedance) from
V
Normal operation. See Function Table above.
H
H
H
H
H
L
L
L
L
L
Sn input termination
Termination resistors on Sn inputs disconnected (high-impedance).
Termination resistors on Sn inputs active.
Pull-down to GND via RTT
BIAS
S0
and R
H
H
L
L
X
high-Z
high-Z
high-Z
high-Z
high-Z
high-Z
high-Z
high-Z
HP10
R
R
on
on
pu
. Used for production testing only.
0DP10
high-Z
high-Z
high-Z
high-Z
high-Z
high-Z
high-Z
V
HPn
R
R
R
R
R
R
R
R
BIAS
on
pd
pd
pd
pd
pd
pd
pd
0DPn
high-Z
high-Z
high-Z
high-Z
high-Z
high-Z
V
R
R
R
R
DD
pu
pu
pu
pu
2. Also disables the Sn input receivers for power savings.
high-Z
V
R
R
R
R
BIAS
pd
pd
pd
pd
high-Z
high-Z
high-Z
high-Z
high-Z
high-Z
high-Z
high-Z
HP10
R
R
on
on
high-Z
high-Z
high-Z
high-Z
HPn
R
1DP10
high-Z
high-Z
high-Z
V
4
on
R
R
R
R
R
R
R
BIAS
pd
pd
pd
pd
pd
pd
pd
1DPn
high-Z
high-Z
high-Z
high-Z
high-Z
high-Z
V
R
R
R
R
high-Z
FUNCTION
V
DD
R
pu
pu
pu
pu
R
R
R
BIAS
PD
pd
pd
pd
FUNCTION
high-Z
high-Z
high-Z
high-Z
high-Z
high-Z
high-Z
high-Z
HP10
R
R
on
on
high-Z
high-Z
high-Z
high-Z
HPn
R
on
2DP10
high-Z
high-Z
high-Z
V
R
R
R
R
R
R
R
BIAS
pd
pd
pd
pd
pd
pd
pd
2DPn
high-Z
high-Z
high-Z
high-Z
high-Z
high-Z
high-Z
V
V
R
R
R
R
R
R
R
R
BIAS
DD
pd
pd
pd
pd
pu
pu
pu
pu
high-Z
high-Z
high-Z
high-Z
high-Z
high-Z
high-Z
high-Z
HP10
R
R
on
on
high-Z
high-Z
high-Z
high-Z
HPn
CBTU4411
R
on
Product data sheet
3DP10
high-Z
high-Z
high-Z
V
3DPn
R
R
R
R
R
R
R
BIAS
pd
pd
pd
pd
pd
pd
pd
high-Z
V
R
R
R
R
BIAS
high-Z
high-Z
high-Z
high-Z
high-Z
high-Z
pd
pd
pd
pd
V
R
R
R
R
DD
pu
pu
pu
pu