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參數(shù)資料
| 型號(hào)： | K7N403609B-QI22 |
| 元件分類： | SRAM |
| 英文描述： | 128K X 36 ZBT SRAM, 2.6 ns, PQFP100 |
| 封裝： | 20 X 14 MM, TQFP-100 |
| 文件頁數(shù)： | 17/18頁 |
| 文件大?。?/td> | 398K |
| 代理商： | K7N403609B-QI22 |
K7N403609B
128Kx36/x32 & 256Kx18 Pipelined NtRAMTM
- 8 -
Rev 1.0
November 2001
K7N401809B
K7N403209B
SYNCHRONOUS TRUTH TABLE
Notes : 1. X means "Don
′t Care".
2. The rising edge of clock is symbolized by (
↑).
3. A continue deselect cycle can only be enterd if a deselect cycle is executed first.
4. WRITE = L means Write operation in WRITE TRUTH TABLE.
WRITE = H means Read operation in WRITE TRUTH TABLE.
5. Operation finally depends on status of asynchronous input pins(ZZ and OE).
CS1
CS2
ADV
WE
BWx
OE
CKE
CLK
ADDRESS ACCESSED
OPERATION
H
X
L
X
L
↑
N/A
Not Selected
X
L
X
L
X
L
↑
N/A
Not Selected
X
H
L
X
L
↑
N/A
Not Selected
X
H
X
L
↑
N/A
Not Selected Continue
L
H
L
H
X
L
↑
External Address
Begin Burst Read Cycle
X
H
X
L
↑
Next Address
Continue Burst Read Cycle
L
H
L
H
X
H
L
↑
External Address
NOP/Dummy Read
X
H
X
H
L
↑
Next Address
Dummy Read
L
H
L
X
L
↑
External Address
Begin Burst Write Cycle
X
H
X
L
X
L
↑
Next Address
Continue Burst Write Cycle
L
H
L
H
X
L
↑
N/A
NOP/Write Abort
X
H
X
H
X
L
↑
Next Address
Write Abort
X
H
↑
Current Address
Ignore Clock
WRITE TRUTH TABLE(x36/32)
Notes : 1. X means "Don
′t Care".
2. All inputs in this table must meet setup and hold time around the rising edge of CLK(
↑).
WE
BWa
BWb
BWc
BWd
OPERATION
H
X
READ
L
H
WRITE BYTE a
L
H
L
H
WRITE BYTE b
L
H
L
H
WRITE BYTE c
L
H
L
WRITE BYTE d
L
WRITE ALL BYTEs
L
H
WRITE ABORT/NOP
TRUTH TABLES
WRITE TRUTH TABLE(x18)
Notes : 1. X means "Don
′t Care".
2. All inputs in this table must meet setup and hold time around the rising edge of CLK(
↑).
WE
BWa
BWb
OPERATION
H
X
READ
L
H
WRITE BYTE a
L
H
L
WRITE BYTE b
L
WRITE ALL BYTEs
L
H
WRITE ABORT/NOP
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