K7N161801-FC13 SAMSUNG [Samsung semiconductor], K7N161801-FC13 Datasheet - Page 8

• Manufacturer Part Number: K7N161801-FC13
• Description: 512Kx36 & 1Mx18-Bit Flow Through NtRAM
• Manufacturer: SAMSUNG [Samsung semiconductor]

TRUTH TABLES
WRITE TRUTH TABLE
Notes : 1. X means "Don t Care".
K7M163625A
K7M161825A
SYNCHRONOUS TRUTH TABLE
Notes : 1. X means "Don t Care".
WRITE TRUTH TABLE
Notes : 1. X means "Don t Care".
CS
H
X
X
X
X
X
X
X
X
L
L
L
L
1
2. All inputs in this table must meet setup and hold time around the rising edge of CLK( ).
2. All inputs in this table must meet setup and hold time around the rising edge of CLK( ).
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.
5. Operation finally depends on status of asynchronous input pins(ZZ and OE).
WE
H
L
L
L
L
L
L
CS
WRITE = H means Read operation in WRITE TRUTH TABLE.
H
H
H
H
X
L
X
X
X
X
X
X
X
WE
H
L
L
L
L
2
CS
X
X
H
X
X
X
X
X
X
L
L
L
L
2
ADV
BWa
H
H
H
H
H
X
L
L
L
L
L
L
L
H
H
H
H
X
L
L
( x36)
(x18)
WE
H
H
X
X
X
X
X
X
L
X
L
X
X
2. The rising edge of clock is symbolized by ( ).
BWa
H
H
X
L
L
BWx
X
X
X
X
X
X
X
X
H
H
X
L
L
BWb
X
H
H
H
H
L
L
OE
X
X
X
X
H
H
X
X
X
X
X
L
L
CKE
512Kx36 & 1Mx18 Flow-Through NtRAM
H
L
L
L
L
L
L
L
L
L
L
L
L
BWb
CLK
BW c
X
H
H
L
L
X
H
H
H
H
L
L
- 8 -
ADDRESS ACCESSED
External Address
External Address
External Address
Current Address
Next Address
Next Address
Next Address
Next Address
BW d
N/A
N/A
N/A
N/A
N/A
X
H
H
H
H
L
L
WRITE ABORT/NOP
WRITE ALL BYTEs
WRITE BYTE a
WRITE BYTE b
OPERATION
READ
WRITE ABORT/NOP
Continue Burst Read Cycle
WRITE ALL BYTEs
Continue Burst Write Cycle
Begin Burst Read Cycle
Begin Burst Write Cycle
WRITE BYTE a
WRITE BYTE b
WRITE BYTE c
WRITE BYTE d
Not Selected Continue
OPERATION
NOP/Dummy Read
NOP/Write Abort
Dummy Read
READ
OPERATION
Not Selected
Not Selected
Not Selected
Ignore Clock
Write Abort
Nov. 2003
Rev 3.0
TM