7025L25PF IDT, Integrated Device Technology Inc, 7025L25PF Datasheet - Page 5

• 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

Truth Table I: Non-Contention Read/Write Control
NOTE:
1. A
NOTES:
1. There are eight semaphore flags written to via I/O
Truth Table II: Semaphore Read/Write Control
IDT7025S/L
High-Speed 8K x 16 Dual-Port Static RAM
CE
X
X
CE
H
L
L
L
L
L
L
0L
X
X
H
H
L
L
— A
12L
R/W
≠ A
R/W
X
X
H
H
H
X
L
L
L
↑
↑
X
X
H
H
0R
— A
OE
12R.
OE
X
X
X
X
X
L
L
L
H
X
X
X
X
L
L
Inputs
Inputs
(1)
UB
X
H
H
H
X
UB
L
L
L
L
X
X
X
H
H
L
0
LB
X
H
H
H
X
LB
L
L
L
L
and read from I/O
X
H
X
H
X
L
SEM
SEM
X
H
H
H
H
H
H
H
H
L
L
L
L
L
L
0
- I/O
DATA
DATA
6.42
DATA
DATA
DATA
DATA
15.
High-Z
High-Z
High-Z
High-Z
High-Z
I/O
DATA
DATA
I/O
5
____
____
These eight semaphores are addressed by A
8-15
8-15
OUT
OUT
OUT
OUT
IN
IN
IN
IN
Outputs
Outputs
Military, Industrial and Commercial Temperature Ranges
DATA
DATA
DATA
DATA
DATA
DATA
High-Z
High-Z
High-Z
High-Z
High-Z
I/O
DATA
DATA
I/O
____
____
0-7
OUT
OUT
0-7
OUT
OUT
IN
IN
IN
IN
(1)
Deselected
Both Bytes Deselected
Read Upper Byte Only
Read Lower Byte Only
Read Both Bytes
Outputs Disabled
Write to Upper Byte Only
Write to Lower Byte Only
Write to Both Bytes
Read Semaphore Flag Data Out
Read Semaphore Flag Data Out
Not Allowed
Not Allowed
Write I/O
Write I/O
0
0
into Semaphore Flag
into Semaphore Flag
0
- A
2
Mode
Mode
.
2683 tbl 02
2683 tbl 03