Table of Contents
Advertisement
Circuit Descriptions, Abbreviation List, and IC Data Sheets
9.4.6
Diagram B6A, NT5DS16M16CS-5T
CKE
CK
CK
CS
WE
CAS
RAS
Mode
Registers
15
A0-A12,
15
BA0, BA1
Note: This Functional Block Diagram is intended to facilitate user understanding of the operation of
the device; it does not represent an actual circuit implementation.
Note: DM is a unidirectional signal (input only), but is internally loaded to match the load of the bidi-
rectional DQ and DQS signals.
13
8192
13
(8192 x 256 x 32)
2
DM Mask Logic
2
8
Column-Address
9
Counter/Latch
1
Figure 9-9 Internal Block Diagram (16Mb x 16)
Bank3
Bank2
Bank1
Bank0
Memory
Array
16
32
Sense Amplifiers
16
I/O Gating
32
Write
FIFO
&
32
256
Drivers
(x32)
clk
clk
Column
in
out
Decoder
CK,
CK
COL0
TPM1.1U LA
CK, CK
DLL
Data
16
1
DQS
Generator
COL0
DQS
Input
Register
Mask
1
1
1
1
1
2
16
16
32
16
16
16
Data
COL0
1
9.
EN 63
DQ0-DQ15,
LDM, UDM
LDQS,UDQS
I_17550_022.eps
130208
Advertisement
Table of Contents
