cbtu4411 NXP Semiconductors, cbtu4411 Datasheet - Page 8

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

1. All input pulses are supplied by generators having the following characteristics: PRR
2. The outputs are measured one at a time with one transition per measurement.
Philips Semiconductors
AC WAVEFORMS
TEST CIRCUIT HPx to xDPx
NOTES:
2006 Sep 22
OUTPUT
11-bit DDR2 SDRAM mux/bus switch
with 12
INPUT
Waveform 1. Input (An) to Output (Yn) Propagation Delays
0.9 V
t
PLH
DRIVER
SSTL18
on-resistance
0.9 V
r
HPx to xDPx AC WAVEFORMS AND TEST CIRCUIT
Z
pd
O
( )
= 40
4”
450
425
400
375
350
0.9 V
t
PHL
0
Figure 6. Pull-down resistance versus voltage.
Figure 5. Test circuit — HPx to xDPx
0.9 V
HPx
SA00656
0.2
1.8 V
0 V
V
V
OH
OL
D.U.T.
V
DIMM
0.4
– V
8
BIAS
nDPx
(V)
WAVEFORM 1
Note:
Waveform 1 is for an output with internal conditions such that
the output is high except when disabled by the output control.
Function
OUTPUT
Waveform 2. 3-State Output Enable and Disable Times
EN, Sn
0.6
Table)
(See
Z
O
= 40
1”
SW02285
t
PZH
10 MHz, Z
0.8
V
REF
C
L
O
0.9 V
= 6 pF
= 50 , slew rate = 2.5 V/ns.
t
PHZ
75
V
TT
SW02215
= V
V
REF
REF
CBTU4411
V
Product data sheet
OH
– 100 mV
SA00657
1.8 V
0 V
V
V
V
OL
OH
BIAS