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參數(shù)資料
| 型號(hào)： | IS42VS16400C1-12T |
| 廠商： | INTEGRATED SILICON SOLUTION INC |
| 元件分類(lèi)： | DRAM |
| 英文描述： | 1 Meg Bits x 16 Bits x 4 Banks (64-MBIT) SYNCHRONOUS DYNAMIC RAM |
| 中文描述： | 4M X 16 SYNCHRONOUS DRAM, 9 ns, PDSO54 |
| 封裝： | 0.400 INCH, PLASTIC, TSOP2-54 |
| 文件頁(yè)數(shù)： | 7/56頁(yè) |
| 文件大?。?/td> | 509K |
| 代理商： | IS42VS16400C1-12T |
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IS42VS16400C1
ISSI
Integrated Silicon Solution, Inc. — www.issi.com —
1-800-379-4774
Rev. A
10/06/05
7
TRUTH TABLE – CURRENT STATE BANK n, COMMAND TO BANK n
(1-6)
CURRENT STATE
COMMAND (ACTION)
CS
RAS
CAS WE
Any
COMMAND INHIBIT
(NOP/Continue previous operation)
H
X
X
X
NO OPERATION
(NOP/Continue previous operation)
L
H
H
H
Idle
ACTIVE (Select and activate row)
L
L
H
H
AUTO REFRESH
(7)
L
L
L
H
LOAD MODE REGISTER
(7)
L
L
L
L
PRECHARGE
(11)
L
L
H
L
Row Active
READ (Select column and start READ burst)
(10)
L
H
L
H
WRITE (Select column and start WRITE burst)
(10)
L
H
L
L
PRECHARGE (Deactivate row in bank or banks)
(8)
L
L
H
L
Read
READ (Select column and start new READ burst)
(10)
L
H
L
H
(Auto
WRITE (Select column and start WRITE burst)
(10)
L
H
L
L
Precharge
PRECHARGE (Truncate READ burst, start PRECHARGE)
(8)
L
L
H
L
Disabled)
BURST TERMINATE
(9)
L
H
H
L
Write
READ (Select column and start READ burst)
(10)
L
H
L
H
(Auto
WRITE (Select column and start new WRITE burst)
(10)
L
H
L
L
Precharge
PRECHARGE (Truncate WRITE burst, start PRECHARGE)
(8)
L
L
H
L
Disabled)
BURST TERMINATE
(9)
L
H
H
L
TRUTH TABLE – CKE
(1-4)
CURRENT STATE
COMMANDn
ACTIONn
CKEn-1
CKEn
Power-Down
X
Maintain Power-Down
L
L
Self Refresh
X
Maintain Self Refresh
L
L
Clock Suspend
X
Maintain Clock Suspend
L
L
Power-Down
(5)
COMMAND INHIBIT or NOP
Exit Power-Down
L
H
Self Refresh
(6)
COMMAND INHIBIT or NOP
Exit Self Refresh
L
H
Clock Suspend
(7)
X
Exit Clock Suspend
L
H
All Banks Idle
COMMAND INHIBIT or NOP
Power-Down Entry
H
L
All Banks Idle
AUTO REFRESH
Self Refresh Entry
H
L
Reading or Writing
VALID
Clock Suspend Entry
H
L
See TRUTH TABLE – CURRENT STATE BANK n, COMMAND TO BANK n
H
H
NOTES:
1. CKEn is the logic state of CKE at clock edge n CKEn-1 was the state of CKE at the previous clock edge.
2. Current state is the state of the SDRAM immediately prior to clock edge n
3. COMMANDn is the command registered at clock edge n and ACTONn is a result of COMMANDn.
4. All states and sequences not shown are illegal or reserved.
5. Exiting power-down at clock edge nwill put the device in the all banks idle state in time for clock edge n+1
(provided that t
CKS
is met)
.
6. Exiting self refresh at clock edge nwill put the device in all banks idle state once t
XSR
is met. COMMAND INHIBIT or NOP commands
should be issued on clock edges occurring during the t
XSR
period. A minimum of two NOP commands must be sent during t
XSR
period.
7. After exiting clock suspend at clock edge n the device will resume operation and recognize the next command at clock edge n+1
相關(guān)PDF資料 |
PDF描述 |
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| IS42VS16400C1-12TI | 1 Meg Bits x 16 Bits x 4 Banks (64-MBIT) SYNCHRONOUS DYNAMIC RAM |
| IS42VS16400C1-12TL | 1 Meg Bits x 16 Bits x 4 Banks (64-MBIT) SYNCHRONOUS DYNAMIC RAM |
| IS42VS16400C1-12TLI | 1 Meg Bits x 16 Bits x 4 Banks (64-MBIT) SYNCHRONOUS DYNAMIC RAM |
| IS43R16160A-5T | 16Meg x 16 256-MBIT DDR SDRAM |
| IS43R16160A-5TL | 16Meg x 16 256-MBIT DDR SDRAM |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| IS42VS16400C1-12TI | 制造商:ISSI 制造商全稱(chēng):Integrated Silicon Solution, Inc 功能描述:1 Meg Bits x 16 Bits x 4 Banks (64-MBIT) SYNCHRONOUS DYNAMIC RAM |
| IS42VS16400C1-12TL | 制造商:ISSI 制造商全稱(chēng):Integrated Silicon Solution, Inc 功能描述:1 Meg Bits x 16 Bits x 4 Banks (64-MBIT) SYNCHRONOUS DYNAMIC RAM |
| IS42VS16400C1-12TLI | 制造商:ISSI 制造商全稱(chēng):Integrated Silicon Solution, Inc 功能描述:1 Meg Bits x 16 Bits x 4 Banks (64-MBIT) SYNCHRONOUS DYNAMIC RAM |
| IS42VS16400E-10TL | 功能描述:動(dòng)態(tài)隨機(jī)存取存儲(chǔ)器 64M (4Mx16) 100MHz Commercial Temp RoHS:否 制造商:ISSI 數(shù)據(jù)總線寬度:16 bit 組織:1 M x 16 封裝 / 箱體:SOJ-42 存儲(chǔ)容量:16 MB 最大時(shí)鐘頻率: 訪問(wèn)時(shí)間:50 ns 電源電壓-最大:7 V 電源電壓-最小:- 1 V 最大工作電流:90 mA 最大工作溫度:+ 85 C 封裝:Tube |
| IS42VS16400E-10TLI | 制造商:Integrated Silicon Solution Inc 功能描述: |
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