IS43R16800A-5TL-TR ISSI, Integrated Silicon Solution Inc, IS43R16800A-5TL-TR Datasheet - Page 17

• Manufacturer Part Number: IS43R16800A-5TL-TR
• Description: IC DDR SDRAM 128MBIT 66TSOP
• Manufacturer: ISSI, Integrated Silicon Solution Inc

Specifications of IS43R16800A-5TL-TR

• Format - Memory: RAM
• Memory Type: DDR SDRAM
• Memory Size: 128M (8Mx16)
• Speed: 200MHz
• Interface: Parallel
• Voltage - Supply: 2.5 V ~ 2.7 V
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 66-TSOPII
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

IS43R16800A
COMMAND TRUTH TABLE
DDR SDRAM recognize the following commands specified by the CS, RAS, CAS, WE and address pins. All other
combinations than those in the table below are illegal.
Remark: H: VIH. L: VIL. ×: VIH or VIL V: Valid address input
Note: The CKE level must be kept for 1 CK cycle at least.
CKE TRUTH TABLE
Remark: H: VIH. L: VIL. ×: VIH or VIL.
Notes:
1. All the banks must be in IDLE before executing this command.
2. The CKE level must be kept for 1 CK cycle at least.
Integrated Silicon Solution, Inc. — 1-800-379-4774
Rev. 00A
07/11/05
Command
Ignore command
No operation
Burst stop in read command
Column address and read command
Read with auto-precharge
Column address and write command
Write with auto-precharge
Row address strobe and bank active
Precharge select bank
Precharge all bank
Refresh
Mode register set
Current state Command
Idle
Idle
Idle
Self refresh
Power down
Auto-refresh command (REF)
Self-refresh entry (SELF)
Power down entry (PDEN)
Self refresh exit (SELFX)
Power down exit (PDEX)
Symbol n–1
DESL
NOP
BST
READ
READA
WRIT
WRITA
ACT
PRE
PALL
REF
SELF
MRS
EMRS
CKE
CKE
n 1
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
L
L
L
L
H
H
H
H
H
H
H
H
H
H
H
H
H
n
L
H
H
H
H
H
n
L
L
L
CS
CS
CS
CS
CS RAS
H
L
L
L
L
L
L
L
L
L
L
L
L
L
CS
CS
CS
CS
CS
RAS
RAS
RAS
RAS CAS
H
H
H
L
L
L
L
L
H
H
H
H
H
H
x
L
L
L
L
L
L
L
CAS
CAS
RAS
RAS
CAS
CAS
RAS
RAS
RAS
H
H
H
H
H
H
H
H
x
L
L
L
L
L
L
L
L
L
L
x
x
x
WE
WE
WE
WE
WE BA1
CAS
CAS
CAS
CAS
CAS
H
H
H
H
H
H
x
L
L
L
L
L
L
L
H
H
H
L
L
x
x
x
V
V
V
V
V
V
x
x
x
x
x
x
L
L
WE
WE
WE
WE
WE
H
H
H
H
H
x
x
x
BA0 AP Address
V
V
V
V
V
V
H
x
x
x
x
x
x
L
Address Notes
H
H
V
H
x
x
x
L
L
L
x
x
L
L
x
x
x
x
x
x
x
x
ISSI
V
V
V
V
V
V
V
x
x
x
x
x
x
x
2
2
17
®