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K7N163645-FC25 Datasheet(PDF) 8 Page - Samsung semiconductor

Part # K7N163645-FC25
Description  512Kx36 & 1Mx18-Bit Flow Through NtRAM
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Manufacturer  SAMSUNG [Samsung semiconductor]
Direct Link  http://www.samsung.com/Products/Semiconductor
Logo SAMSUNG - Samsung semiconductor

K7N163645-FC25 Datasheet(HTML) 8 Page - Samsung semiconductor

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512Kx36 & 1Mx18 Flow-Through NtRAMTM
- 8 -
Rev 3.0
Nov. 2003
K7M161825A
K7M163625A
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
CS 2
ADV
WE
BWx
OE
CKE
CLK
ADDRESS ACCESSED
OPERATION
H
X
X
L
X
X
X
L
N/A
Not Selected
X
L
X
L
X
X
X
L
N/A
Not Selected
X
X
H
L
X
X
X
L
N/A
Not Selected
X
X
X
H
X
X
X
L
N/A
Not Selected Continue
L
H
L
L
H
X
L
L
External Address
Begin Burst Read Cycle
X
X
X
H
X
X
L
L
Next Address
Continue Burst Read Cycle
L
H
L
L
H
X
H
L
External Address
NOP/Dummy Read
X
X
X
H
X
X
H
L
Next Address
Dummy Read
L
H
L
L
L
L
X
L
External Address
Begin Burst Write Cycle
X
X
X
H
X
L
X
L
Next Address
Continue Burst Write Cycle
L
H
L
L
L
H
X
L
N/A
NOP/Write Abort
X
X
X
H
X
H
X
L
Next Address
Write Abort
X
X
X
X
X
X
X
H
Current Address
Ignore Clock
WRITE TRUTH TABLE( x36)
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
BW c
BW d
OPERATION
H
X
X
X
X
READ
L
L
H
H
H
WRITE BYTE a
L
H
L
H
H
WRITE BYTE b
L
H
H
L
H
WRITE BYTE c
L
H
H
H
L
WRITE BYTE d
L
L
L
L
L
WRITE ALL BYTEs
L
H
H
H
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
X
READ
L
L
H
WRITE BYTE a
L
H
L
WRITE BYTE b
L
L
L
WRITE ALL BYTEs
L
H
H
WRITE ABORT/NOP


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