參數(shù)資料
型號(hào): CBTW28DD14ET
廠商: NXP SEMICONDUCTORS
元件分類: 編、解碼器及復(fù)用、解復(fù)用
英文描述: 14-bit bus switch-multiplexer for DDR2-DDR3 applications
中文描述: MULTIPLEXER, PBGA48
封裝: 4.50 X 4.50 MM, 0.80 MM PITCH, 0.50 MM PITCH, GREEN, PLASTIC, SOT1155-1, TFBGA-48
文件頁(yè)數(shù): 6/12頁(yè)
文件大?。?/td> 267K
代理商: CBTW28DD14ET
CBTW28DD14
All information provided in this document is subject to legal disclaimers.
NXP B.V. 2010. All rights reserved.
Product data sheet
Rev. 1 — 20 July 2010
3 of 12
NXP Semiconductors
CBTW28DD14
14-bit bus switch/multiplexer for DDR2-DDR3 applications
6.
Pinning information
6.1 Pinning
6.2 Pin description
Fig 2.
Pin configuration for TFBGA48
Fig 3.
Ball mapping
002aae970
CBTW28DD14ET
Transparent top view
H
G
F
D
B
E
C
A
2468
1357
ball A1
index area
B9
1
A
B10
B
B11
C
C11
D
B12
E
B13
F
A13
G
A12
H
B8
2
C9
C10
EN
C12
C13
A11
A10
B7
3
C8
A9
A8
C7
4
GND
A7
C6
5
VDD
A6
B6
6
C5
A4
A5
B5
7
C4
C3
SEL
C1
C0
A2
A3
B4
8
B3
B2
C2
B1
B0
A0
A1
002aae971
Transparent top view
Table 2.
Pin description
Symbol
Pin
Type
Description
A[0:13]
G8, H8, G7, H7, G6, H6, H5,
H4, H3, G3, H2, G2, H1, G1
high-speed I/O
14-bit wide input/output, port A
B[0:13]
F8, E8, C8, B8, A8, A7, A6,
A3, A2, A1, B1, C1, E1, F1
high-speed I/O
14-bit wide input/output, port B
C[0:13]
F7, E7, D8, C7, B7, B6, A5,
A4, B3, B2, C2, D1, E2, F2
high-speed I/O
14-bit wide input/output, port C
SEL
D7
CMOS input
CMOS input signal.
When SEL = LOW, port A and
port B are mutually connected.
When SEL = HIGH, port A and
port C are mutually connected.
EN
D2
CMOS input
CMOS input signal.
When LOW, all ports are mutually
isolated.
When HIGH, connection is set using
the SEL input signal.
VDD
B5, G5
supply
supply voltage connection
GND
B4, G4
ground
ground connection
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