H57V2562GTR-75C HYNIX SEMICONDUCTOR, H57V2562GTR-75C Datasheet - Page 21

• Manufacturer Part Number: H57V2562GTR-75C
• Description: 58T1903
• Manufacturer: HYNIX SEMICONDUCTOR

Specifications of H57V2562GTR-75C

• Memory Type: SDRAM
• Memory Configuration: 16M X 16
• Access Time: 6ns
• Interface Type: LVTTL
• Memory Case Style: TSOPII
• No. Of Pins: 54
• Operating Temperature Range: 0°C To +70°C
• Memory Size: 256 Mbit
• Rohs Compliant: Yes

CKE Enable(CKE) Truth TABLE
Rev 1.0 / Dec. 2010
Current
Refresh
State
Power
Banks
Down
Self
Idle
All
Previous
Cycle
H
H
H
H
H
H
H
H
H
H
H
H
L
L
L
L
L
L
L
L
L
L
CKE
Current
Cycle
H
H
H
H
H
H
H
X
H
H
H
H
H
X
X
L
L
L
L
L
L
L
CS
H
H
H
H
X
X
X
X
X
L
L
L
L
L
L
L
L
L
L
L
L
L
L
RAS
H
H
H
H
H
H
X
X
L
X
X
X
L
X
X
X
X
L
L
L
X
L
L
L
X
(Sheet 2 of 1)
CAS
Command
H
H
H
H
H
X
X
X
X
X
X
X
X
X
X
X
X
X
X
L
L
L
L
L
L
WE
H
H
H
H
X
X
L
X
X
X
X
X
X
X
L
X
X
X
X
L
X
X
X
L
X
BA0,
BA1
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
OP CODE
OP CODE
Synchronous DRAM Memory 256Mbit
ADDR
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
INVALID
Exit Self Refresh with
Device Deselect
Exit Self Refresh with
No Operation
ILLEGAL
ILLEGAL
ILLEGAL
INVALID
Power Down mode exit,
all banks idle
ILLEGAL
Refer to the idle State section
of the Current State
Truth Table
Auto Refresh
Refer to the idle State section
of the Current State
Truth Table
Entry Self Refresh
Maintain Self Refresh
Maintain Power Down Mode
Mode Register Set
Mode Register Set
Power Down
H57V2562GTR Series
Action
Notes
1
2
2
2
2
2
1
2
2
3
3
3
4
3
3
3
4
4
21