IDT70261L20PF IDT, Integrated Device Technology Inc, IDT70261L20PF Datasheet - Page 10
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IDT70261L20PF
Manufacturer Part Number
IDT70261L20PF
Description
IC SRAM 256KBIT 20NS 100TQFP
Manufacturer
IDT, Integrated Device Technology Inc
Datasheet
1.IDT70261L15PFG.pdf
(19 pages)
Specifications of IDT70261L20PF
Format - Memory
RAM
Memory Type
SRAM - Dual Port, Asynchronous
Memory Size
256K (16K x 16)
Speed
20ns
Interface
Parallel
Voltage - Supply
4.5 V ~ 5.5 V
Operating Temperature
0°C ~ 70°C
Package / Case
100-TQFP, 100-VQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Other names
70261L20PF
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
IDT70261L20PF
Manufacturer:
IDT, Integrated Device Technology Inc
Quantity:
10 000
Part Number:
IDT70261L20PF
Manufacturer:
IDT
Quantity:
20 000
Company:
Part Number:
IDT70261L20PF8
Manufacturer:
IDT, Integrated Device Technology Inc
Quantity:
10 000
Part Number:
IDT70261L20PFGI
Manufacturer:
IDT
Quantity:
20 000
Company:
Part Number:
IDT70261L20PFI
Manufacturer:
IDT, Integrated Device Technology Inc
Quantity:
10 000
Part Number:
IDT70261L20PFI
Manufacturer:
IDT
Quantity:
20 000
Company:
Part Number:
IDT70261L20PFI8
Manufacturer:
IDT, Integrated Device Technology Inc
Quantity:
10 000
Timing Waveform of Semaphore Read after Write Timing, Either Side
Timing Waveform of Semaphore Write Contention
NOTES:
1. D
2. All timing is the same for left and right ports. Port “A” may be either left or right port. Port “B” is the opposite from port “A”.
3. This parameter is measured from R/W"
4. If t
NOTES:
1. CE = V
2. "DATA
IDT70261S/L
High-Speed 16K x 16 Dual-Port Static RAM with Interrupt
OR
SPS
= D
is not satisfied, there is no guarantee which side will be granted the semaphore flag.
OUT
IH
OL
A
or UB and LB = V
SEM
R/W
VALID" represents all I/O's (I/O
= V
0
I/O
-A
OE
IL
2
0
, CE
SIDE
SIDE
R
= CE
(2)
(2)
L
IH
= V
"B"
for the duration of the above timing (both write and read cycle).
"A"
IH
, or both UB & LB = V
t
VALID ADDRESS
AS
A"
A
A
t
or SEM"
0"A"
0"B"
AW
0
-I/O
SEM
SEM
R/W
R/W
Write Cycle
-A
-A
15
t
) equal to the semaphore value.
t
2"A"
2"B"
A"
EW
WP
"A"
"A"
"B"
"B"
going HIGH to R/W"
DATA
IH
VALID
.
t
t
DW
WR
t
IN
DH
MATCH
t
B"
SWRD
or SEM"
6.42
MATCH
10
B"
VALID ADDRESS
t
t
SOP
going HIGH.
SPS
Read Cycle
t
SAA
t
ACE
Industrial and Commercial Temperature Ranges
t
AOE
DATA
(1,3,4)
VALID
OUT
(2)
3039 drw 10
t
OH
,
3039 drw 09
(1)