is42g32256 ETC-unknow, is42g32256 Datasheet - Page 26

• Manufacturer Part Number: is42g32256
• Description: 256k 16-mbit Synchronous Graphics
• Manufacturer: ETC-unknow

IS42G32256
Table 14. Function Truth Table (continued)
Recovering L
26
Precharge L
Precharge L
charging
Current
State
Read
Block
Write
Write
Write
Auto
Auto
Pre-
with
with
CS CS CS CS CS RAS
H
H
H
H
H
L
L
L
L
L
L
L
L
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
RAS
RAS CAS
RAS
X
H
H
H
H
H
H
H
X
H
H
H
H
X
H
H
H
H
X
H
H
H
X
H
H
H
L
L
L
L
L
L
L
L
L
L
L
L
L
L
CAS
CAS
CAS WE
CAS
H
H
H
H
X
H
H
H
H
H
H
X
H
H
X
H
H
X
H
H
H
H
X
H
H
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
WE
WE
WE
WE
H
H
H
H
H
H
H
H
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
L
L
L
L
L
L
L
DSF
H
H
H
H
X
X
X
X
X
X
L
L
L
X
L
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
(A10)
BA
BA
BA
BA
BA
BA
BA
BA
BA
BA
BA
BA
BA
BA
BA
BA
BA
BA
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
CA, AP
CA, AP
CA, AP
CA, AP
CA, AP
RA, PA
CA, AP
CA, AP
RA, PA
CA, AP
CA, AP
ADDR
RA
RA
RA
PA
RA
PA
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
Action
NOP (Continue Burst to End
NOP (Continue Burst to End
Term burst
ILLEGAL
Term burst, Begin Read; Latch CA; Determine AP
ILLEGAL
Term burst, Begin Write; Latch CA; Determine AP
Term burst, Begin Write; Latch CA; Determine AP
ILLEGAL
Term Burst: Precharge timing for Writes
ILLEGAL
ILLEGAL
NOP (Continue Burst to End
NOP (Continue Burst to End
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
NOP (Continue Burst to End
NOP (Continue Burst to End
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
NOP
NOP
ILLEGAL
ILLEGAL
ILLEGAL
NOP
ILLEGAL
NOP
NOP
ILLEGAL
ILLEGAL
ILLEGAL
Term Block Write: Precharge timing for Block Write
ILLEGAL
Idle after t
Idle after t
Idle after t
Row Active after t
Row Active after t
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(4)
(2)
(2)
(2)
• Row Active
RP
RP
RP (2)
Integrated Silicon Solution, Inc.
BWC
BWC
ADVANCE INFORMATION SR037-0C
• Row Active)
• Row Active)
Precharge)
Precharge)
Precharge)
Precharge)
(3)
ISSI
09/10/98
(3)
(3)
(3)
(2)
®