is61lf25636a Integrated Silicon Solution, Inc., is61lf25636a Datasheet - Page 6

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is61lf25636a

Manufacturer Part Number
is61lf25636a
Description
256k X 36, 512k X 18 9 Mb Synchronous Flow-through Static Ram
Manufacturer
Integrated Silicon Solution, Inc.
Datasheet

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6
165 PBGA PACKAGE PIN CONFIGURATION
256K
PIN DESCRIPTIONS
Note: * A
IS61LF25636A
Symbol
A
A0, A1
ADV
ADSP
ADSC
GW
CLK
CE, CE2, CE2
BWx (x=a,b,c,d) Synchronous Byte Write
A
B
C
D
E
F
G
H
J
K
L
M
N
P
R
X
1
NC
NC
DQPc
DQc
DQc
DQc
DQc
NC
DQd
DQd
DQd
DQd
DQPd
NC
MODE
36 (TOP VIEW)
0
and A
1
are the two least significant bits (LSB) of the address field and set the internal burst counter if burst is desired.
2
A
A
NC
DQc
DQc
DQc
DQc
Vss
DQd
DQd
DQd
DQd
NC
NC
NC
Pin Name
Address Inputs
Synchronous Burst Address Inputs
Synchronous Burst Address
Advance
Address Status Processor
Address Status Controller
Global Write Enable
Synchronous Clock
Synchronous Chip Select
Controls
IS61LF51218A
3
CE
CE2
V
V
V
V
V
NC
V
V
V
V
V
A
A
DDQ
DDQ
DDQ
DDQ
DDQ
DDQ
DDQ
DDQ
DDQ
DDQ
4
BWc
BWd
Vss
V
V
V
V
V
V
V
V
V
Vss
A
A
DD
DD
DD
DD
DD
DD
DD
DD
DD
5
BWb
BWa
Vss
Vss
Vss
Vss
Vss
Vss
Vss
Vss
Vss
Vss
NC
TDI
TMS
IS61VF25636A
6
CE2
CLK
Vss
Vss
Vss
Vss
Vss
Vss
Vss
Vss
Vss
Vss
NC
A
A
1
0
*
*
Symbol
BWE
OE
ZZ
MODE
TCK, TDO
TMS, TDI
NC
DQx
DQPx
V
V
Vss
7
BWE
GW
Vss
Vss
Vss
Vss
Vss
Vss
Vss
Vss
Vss
Vss
NC
TDO
TCK
DD
DDQ
Integrated Silicon Solution, Inc. — 1-800-379-4774
8
ADSC
OE
Vss
V
V
V
V
V
V
V
V
V
Vss
A
A
DD
DD
DD
DD
DD
DD
DD
DD
DD
IS61VF51218A
Pin Name
Byte Write Enable
Output Enable
Power Sleep Mode
Burst Sequence Selection
JTAG Pins
No Connect
Data Inputs/Outputs
Data Inputs/Outputs
3.3V/2.5V Power Supply
Isolated Output Power Supply
3.3V
Ground
/2.5V
9
ADV
ADSP
V
V
V
V
V
NC
V
V
V
V
V
A
A
DDQ
DDQ
DDQ
DDQ
DDQ
DDQ
DDQ
DDQ
DDQ
DDQ
10
A
A
NC
DQb
DQb
DQb
DQb
NC
DQa
DQa
DQa
DQa
NC
A
A
DQPb
DQPa
11
NC
NC
DQb
DQb
DQb
DQb
ZZ
DQa
DQa
DQa
DQa
A
A
10/18/07
Rev. C

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