參數(shù)資料
型號(hào): KM416S1120D
廠商: Electronic Theatre Controls, Inc.
英文描述: 512K x 16bit x 2 Banks Synchronous DRAM LVTTL
中文描述: 為512k × 16位× 2銀行同步DRAM LVTTL
文件頁(yè)數(shù): 23/43頁(yè)
文件大?。?/td> 1131K
代理商: KM416S1120D
KM416S1120D
CMOS SDRAM
- 23
Rev. 1.4 (Jun. 1999)
X
X
X
CA, A
10
/AP
RA
A
10
/AP
X
OP code
X
X
X
CA, A
10
/AP
CA, A
10
/AP
RA
A
10
/AP
X
X
X
X
CA, A
10
/AP
CA, A
10
/AP
RA
A
10
/AP
X
X
X
X
CA, A
10
/AP
CA, A
10
/AP
RA
A
10
/AP
X
X
X
X
CA, A
10
/AP
RA, RA
10
X
X
X
X
CA, A
10
/AP
RA, RA
10
X
X
X
X
CA
RA
A
10
/AP
FUNCTION TRUTH TABLE (TABLE 1)
Current
State
CS
RAS
CAS
WE
BA
ADDR
ACTION
Note
H
L
L
L
L
L
L
L
H
L
L
L
L
L
L
L
H
L
L
L
L
L
L
L
H
L
L
L
L
L
L
L
H
L
L
L
L
L
H
L
L
L
L
L
H
L
L
L
L
L
IDLE
Row
Active
Read
Write
Read with
Auto
Precharge
Write with
Auto
Precharge
Pre-
charging
NOP
NOP
ILLEGAL
ILLEGAL
Row (& Bank) Active ; Latch RA
NOP
Auto Refresh or Self Refresh
Mode Register Access
NOP
NOP
ILLEGAL
Begin Read ; latch CA ; determine AP
Begin Write ; latch CA ; determine AP
ILLEGAL
Precharge
ILLEGAL
NOP (Continue Burst to End --> Row Active)
NOP (Continue Burst to End --> Row Active)
Term burst --> Row active
Term burst, New Read, Determine AP
Term burst, New Write, Determine AP
ILLEGAL
Term burst, Precharge timing for Reads
ILLEGAL
NOP (Continue Burst to End --> Row Active)
NOP (Continue Burst to End --> Row Active)
Term burst --> Row active
Term burst, New read, Determine AP
Term burst, New Write, Determine AP
ILLEGAL
Term burst, precharge timing for Writes
ILLEGAL
NOP (Continue Burst to End --> Precharge)
NOP (Continue Burst to End --> Precharge)
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
NOP (Continue Burst to End --> Precharge)
NOP (Continue Burst to End --> Precharge)
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
NOP --> Idle after t
RP
NOP --> Idle after t
RP
ILLEGAL
ILLEGAL
ILLEGAL
NOP --> Idle after t
RP
L
X
X
X
BA
BA
BA
X
OP code
X
X
X
BA
BA
BA
BA
X
X
X
X
BA
BA
BA
BA
X
X
X
X
BA
BA
BA
BA
X
X
X
X
BA
BA
X
X
X
X
BA
BA
X
X
X
X
BA
BA
BA
X
H
H
H
L
L
L
L
X
H
H
H
H
L
L
L
X
H
H
H
H
L
L
L
X
H
H
H
H
L
L
L
X
H
H
H
L
L
X
H
H
H
L
L
X
H
H
H
L
L
X
H
H
L
H
H
L
L
X
H
H
L
L
H
H
L
X
H
H
L
L
H
H
L
X
H
H
L
L
H
H
L
X
H
H
L
H
L
X
H
H
L
H
L
X
H
H
L
H
H
X
H
L
X
H
L
H
L
X
H
L
H
L
H
L
X
X
H
L
H
L
H
L
X
X
H
L
H
L
H
L
X
X
H
L
X
X
X
X
H
L
X
X
X
X
H
L
X
H
L
2
2
4
5
5
2
2
3
2
3
3
2
3
2
2
2
2
2
4
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