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70P259L90BYGI8

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P22
6.42
13
IDT70P269/259/249L
Low Power 16K/8K/4K x 16 Dual-Port Static RAM Industrial Temperature Range
OCTOBER 16, 2008
tAW
Valid AddressAddress
CS
OE
WE
UB, LB
tWC
tBW
Valid DataData
tSA tHA
tHZWE
tWRL
tLZWE
tSD
tHD
7146 drw 09
Standard Port Write Cycle (Either Port Access, WE Controlled)
tAW
Valid AddressAddress
CS
OE
WE
UB, LB
tWC
tBW
Valid DataData
tSA
tHA
tHZWE
tWRL
tSD
tHD
tLZCStSCS
7146 drw 10
Standard Port Write Cycle (Either Port Access, CS Controlled)
6.42
IDT70P269/259/249L
Low Power 16K/8K/4K x 16 Dual-Port Static RAM Industrial Temperature Range
14 OCTOBER 16, 2008
Address MatchAddress
CS
R
CS
L
BUSY
L
tPS
tBL
C
tBHC
7146 drw 11
AC Electrical Characteristics Over the
Operating Temperature and Supply Voltage Range
(1)
NOTES:
1. VDD = 1.8V.
2. Add 2 ns to this parameter if V
DD and VDDIOR are <1.8V, and VDDIOL is >2.5V at temperature <0
O
C.
Symbol Parameter
70P269/259/249
Unit
65 ns 90 ns
Min. Max. Min. Max..
Arbitration Timing
t
BLA
BUSY Low from Address Match
____
30
____
50 ns
t
BHA
BUSY High from Address Match
____
30
____
50 ns
t
BLC
BUSY Low from CS Low
____
30
____
50 ns
t
BHC
BUSY High from CS High
____
30
____
50 ns
t
PS
(2)
Port Set-up Priority 5
____
5
____
ns
t
BDD
BUSY High to Data Valid
____
30
____
50
ns
t
WDD
Write Pulse to Data Delay
____
55
____
85 ns
t
DDD
Write Data Valid to Read Data Valid
____
45
____
70 ns
7146 tbl 14
Arbitration Timing
6.42
15
IDT70P269/259/249L
Low Power 16K/8K/4K x 16 Dual-Port Static RAM Industrial Temperature Range
OCTOBER 16, 2008
Arbitration Timing
(Address Controlled with Port A ADM and Port B STD Configuration)
Port A Address Valid First
ADV
A
Address
A
(Internal)
Address
B
BUSY
B
I/O
A
[15:0]
tAVDH
A
0
tPS
tBLA tBHA
A
0
A
1
I/O
A
[15:0]
ADV
A
Address
A
(Internal)
Address
B
BUSY
A
A
0
Data A
1
tAVDH
tPS
tBHA
tBLA
A
0
A
0
A
1
tAVDH
Port B Address Valid First
A
0
7146 drw 12
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P22

70P259L90BYGI8

Mfr. #:
Buy 70P259L90BYGI8
Manufacturer:
Description:
IC SRAM 128K PARALLEL 100CABGA
Lifecycle:
New from this manufacturer.
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