Datasheet
CBTW28DD14 All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2014. All rights reserved.
Product data sheet Rev. 6 — 25 July 2014 2 of 13
NXP Semiconductors
CBTW28DD14
14-bit bus switch/multiplexer for DDR2/DDR3/DDR4 applications
Low R
ON
(10 typical)
2.3 General attributes
1.5 V or 1.8 V supply voltage operation
Very low supply current (300 A typical)
ESD robustness exceeds 3 kV HBM, 1 kV CDM
Available in TFBGA48 package, 4.5 mm 4.5 mm 0.8 mm size, 0.5 mm pitch,
Pb-free/Dark Green
3. Applications
DDR2/DDR3/DDR4 memory bus systems
Systems requiring high-speed multiplexing
4. Ordering information
4.1 Ordering options
5. Functional diagram
Table 1. Ordering information
Type number Topside
marking
Package
Name Description Version
CBTW28DD14ET W2814 TFBGA48 plastic thin fine-pitch ball grid array package; 48 balls;
body 4.5 4.5 0.8 mm
SOT1155-1
Table 2. Ordering options
Type number Orderable
part number
Package Packing method Minimum
order quantity
Temperature
CBTW28DD14ET CBTW28DD14ET,118 TFBGA48 Reel 13” Q1/T1
*Standard mark SMD
4000 T
amb
= 10 Cto+85C
Fig 1. Functional diagram
002aae969
CBTW28DD14
14-bit
2 : 1 MUX/switch
V
DD
SEL
EN
B[0:13]
C[0:13]
A[0:13]
GND
host side B
host side C
DRAM side