AS4C8M16S-6TAN Alliance Memory, AS4C8M16S-6TAN Datasheet - Page 5
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AS4C8M16S-6TAN
Manufacturer Part Number
AS4C8M16S-6TAN
Description
DRAM 128Mb, 3.3V, 166Mhz 8M x 16 SDRAM
Manufacturer
Alliance Memory
Datasheet
1.AS4C8M16S-7BCN.pdf
(53 pages)
Specifications of AS4C8M16S-6TAN
Rohs
yes
Data Bus Width
16 bit
Organization
8 Mbit x 16
Package / Case
TSOP-54
Memory Size
128 Mbit
Maximum Clock Frequency
143 MHz
Access Time
5.4 ns
Supply Voltage - Max
4.6 V
Supply Voltage - Min
- 1 V
Maximum Operating Current
110 mA
Maximum Operating Temperature
+ 105 C
Factory Pack Quantity
108
BankActivate
BankPrecharge
PrechargeAll
Write
Write and AutoPrecharge
Read
Read and Autoprecharge
Mode Register Set
No-Operation
Burst Stop
Device Deselect
AutoRefresh
SelfRefresh Entry
SelfRefresh Exit
Clock Suspend Mode Entry
Power Down Mode Entry
Clock Suspend Mode Exit
Power Down Mode Exit
Data Write/Output Enable
Data Mask/Output Disable
Operation Mode
Table 4 shows the truth table for the operation commands.
Note: 1. V=Valid, X=Don't Care L=Low level H=High level
FEBRUARY 2011
Fully synchronous operations are performed to latch the commands at the positive edges of CLK.
2. CKE
3. These are states of bank designated by BA signal.
4. Device state is 1, 2, 4, 8, and full page burst operation.
5. Power Down Mode cannot enter in the burst operation.
Command State
CKE
When this command is asserted in the burst cycle, device state is clock suspend mode.
n-1
n
signal is input level when commands are provided.
signal is input level one clock cycle before the commands are provided.
(PowerDown)
(SelfRefresh)
Active
Active
Active
Active
Active
Active
Active
Active
Active
Idle
Any
Any
Any
Idle
Any
Any
Idle
Idle
Idle
Any
Table 4. Truth Table (Note (1), (2))
(3)
(5)
(3)
(3)
(3)
(3)
(4)
CKE
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
L
L
L
n-1
CKE
X
X
X
X
X
X
H
H
H
H
X
X
X
X
X
X
X
L
L
L
n
5
DQM BA
H
X
X
X
V
V
V
V
X
X
X
X
X
X
X
X
X
X
X
L
V
V
X
V
V
V
V
X
X
X
X
X
X
X
X
X
X
X
X
0,1
OP code
A
Row address
H
H
H
X
X
X
X
X
X
X
X
X
X
X
X
L
L
L
10
(A0 ~ A8)
(A0 ~ A8)
A
address
address
Column
Column
0-9,11
X
X
X
X
X
X
X
X
X
X
X
X
X
X
CS# RAS# CAS# WE#
H
H
H
H
X
H
X
X
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
H
H
H
H
H
H
X
X
H
X
V
X
H
X
X
H
X
X
L
L
L
L
L
L
AS4C8M16S
H
H
H
H
H
X
X
H
X
V
X
H
X
X
H
X
X
L
L
L
L
L
L
L
H
H
H
H
X
H
H
X
H
X
V
X
H
X
X
H
X
X
L
L
L
L
L
L