7025L25PF IDT, Integrated Device Technology Inc, 7025L25PF Datasheet - Page 13

• Manufacturer Part Number: 7025L25PF
• Manufacturer: IDT, Integrated Device Technology Inc

Specifications of 7025L25PF

• Density: 128Kb
• Access Time (max): 25ns
• Sync/async: Asynchronous
• Architecture: Not Required
• Clock Freq (max): Not RequiredMHz
• Operating Supply Voltage (typ): 5V
• Address Bus: 26b
• Package Type: TQFP
• Operating Temp Range: 0C to 70C
• Number Of Ports: 2
• Supply Current: 220mA
• Operating Supply Voltage (min): 4.5V
• Operating Supply Voltage (max): 5.5V
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Pin Count: 100
• Word Size: 16b
• Number Of Words: 8K
• Lead Free Status / Rohs Status: Not Compliant

Timing Waveform of Semaphore Read after Write Timing, Either Side
NOTE:
1. CE = V
2. "DATA
Timing Waveform of Semaphore Write Contention
NOTES:
1. D
2. All timing is the same for left and right port. 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
DATA
A
IDT7025S/L
High-Speed 8K x 16 Dual-Port Static RAM
0
SEM
R/W
- A
OE
OR
SPS
2
0
= D
OUT
IH
is not satisfied, there is no guarantee which side will obtain the semaphore flag.
or UB & LB = V
OL
VALID" represents all I/O's (I/O
= V
IL
, CE
R
IH
SIDE
SIDE
= CE
for the duration of the above timing (both write and read cycle).
t
AS
(2)
(2)
L
VALID ADDRESS
= V
t
"B"
AW
"A"
IH
, or both UB & LB = V
Write Cycle
0
-I/O
t
t
A
A
"A"
EW
WP
15
0"A"
0"B"
) equal to the semaphore value.
or SEM
SEM
SEM
R/W
R/W
DATA
-A
-A
2"A"
2"B"
"A"
"A"
"B"
"B"
t
IN
"A"
DW
t
WR
VALID
going HIGH to R/W
t
DH
IH
.
MATCH
t
6.42
SWRD
13
t
SOP
"B"
MATCH
or SEM
t
SOP
VALID ADDRESS
Military, Industrial and Commercial Temperature Ranges
Read Cycle
t
SAA
"B"
t
SPS
going HIGH.
(1,3,4)
t
AOE
t
ACE
DATA
VALID
2683 drw 12
OUT
(2)
.
t
OH
2683 drw 11
(1)