m5m4v4s40ctp-12 Mitsumi Electronics, Corp., m5m4v4s40ctp-12 Datasheet - Page 7

• Manufacturer Part Number: m5m4v4s40ctp-12
• Description: 2-bank 131072-word 16-bit Synchronous Dram
• Manufacturer: Mitsumi Electronics, Corp.

SDRAM (Rev. 0.3)
FUNCTION TRUTH TABLE
Feb ‘97 Preliminary
PRECHARGE
PRECHARGE
Current State
WRITE with
READ with
AUTO
WRITE
AUTO
/CS
H
H
H
4M (2-BANK x 131072-WORD x 16-BIT) Synchronous DRAM
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
/RAS
X
H
H
H
H
X
H
H
H
H
X
H
H
H
H
L
L
L
L
L
L
L
L
L
L
L
L
/CAS
X
X
H
H
H
H
X
H
H
H
H
H
H
H
H
L
L
L
L
L
L
L
L
L
L
L
L
(continued
/WE
MITSUBISHI ELECTRIC
X
H
H
H
H
X
H
H
H
H
X
H
H
H
H
L
L
L
L
L
L
L
L
L
L
L
L
X
X
X
BA, CA, A8
BA, CA, A8
BA, RA
BA, A8
X
Op-Code,
Mode-Add
X
X
X
BA, CA, A8
BA, CA, A8
BA, RA
BA, A8
X
Op-Code,
Mode-Add
X
X
X
BA, CA, A8
BA, CA, A8
BA, RA
BA, A8
X
Op-Code,
Mode-Add
M5M4V4S40CTP-12, -15
Address
)
READ / READA
READ / READA ILLEGAL
READ / READA ILLEGAL
PRE / PREA
PRE / PREA
PRE / PREA
Command
WRITE /
WRITEA
WRITE /
WRITEA
WRITE /
WRITEA
DESEL
DESEL
DESEL
TBST
REFA
TBST
REFA
TBST
REFA
NOP
MRS
NOP
MRS
NOP
MRS
ACT
ACT
ACT
NOP (Continue Burst to END)
NOP (Continue Burst to END)
Terminate Burst
Terminate Burst, Latch CA,
Begin Read, Determine Auto-
Precharge*3
Terminate Burst, Latch CA,
Begin Write, Determine Auto-
Precharge*3
Bank Active / ILLEGAL*2
Terminate Burst, Precharge
ILLEGAL
ILLEGAL
NOP (Continue Burst to END)
NOP (Continue Burst to END)
ILLEGAL
ILLEGAL
Bank Active / ILLEGAL*2
ILLEGAL*2
ILLEGAL
ILLEGAL
NOP (Continue Burst to END)
NOP (Continue Burst to END)
ILLEGAL
ILLEGAL
Bank Active / ILLEGAL*2
ILLEGAL*2
ILLEGAL
ILLEGAL
MITSUBISHI LSIs
Action
7