IDT70261L20PF IDT, Integrated Device Technology Inc, IDT70261L20PF Datasheet - Page 3

• Manufacturer Part Number: IDT70261L20PF
• Description: IC SRAM 256KBIT 20NS 100TQFP
• Manufacturer: IDT, Integrated Device Technology Inc

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

Maximum Operating Temperature
and Supply Voltage
NOTES:
1. This is the parameter TA. This is the "instant on"case temperature.
Truth Table I – Non-Contention Read/Write Control
NOTE:
1. A
Truth Table II – Semaphore Read/Write Control
NOTE:
1. There are eight semaphore flags written to via I/O
Commercial
Industrial
IDT70261S/L
High-Speed 16K x 16 Dual-Port Static RAM with Interrupt
CE
CE
H
X
X
0L
H
X
H
X
L
L
L
L
L
L
L
L
— A
Grade
13L
≠ A
R/W
R/W
↑
↑
X
X
H
H
H
X
H
H
X
X
L
L
L
0R
— A
-40
13R.
0
Temperature
O
OE
OE
C to +70
O
X
X
X
X
X
H
X
X
X
X
Ambient
L
L
L
L
L
C to +85
Inputs
Inputs
O
(1)
C
O
C
UB
UB
(1,2)
X
H
L
H
L
L
H
L
X
X
H
X
H
X
L
GND
0V
0V
0
LB
LB
and read from all I/O's(I/O
X
X
H
H
L
L
H
L
L
X
X
X
H
H
L
5.0V
5.0V
Vcc
SEM
SEM
+
+
X
H
H
H
H
H
H
H
H
L
L
L
L
L
L
10%
10%
3039 tbl 02
DATA
DATA
DATA
DATA
DATA
DATA
High-Z
High-Z
High-Z
High-Z
High-Z
DATA
DATA
6.42
I/O
I/O
______
______
0
3
8-15
8-15
- I/O
Recommended DC Operating
Conditions
NOTES:
1. V
2. V
OUT
OUT
OUT
OUT
IN
IN
IN
IN
Outputs
Outputs
Symbol
GND
15
V
V
V
IL
TERM
CC
). These eight semaphores are addressed by A
IH
IL
> -1.5V for pulse width less than 10ns.
DATA
DATA
DATA
DATA
DATA
DATA
High-Z
High-Z
High-Z
High-Z
High-Z
DATA
DATA
I/O
I/O
must not exceed Vcc + 10%.
______
______
Supply Voltage
Ground
Input High Voltage
Input Low Voltage
0-7
0-7
OUT
OUT
OUT
OUT
IN
IN
IN
IN
Industrial and Commercial Temperature Ranges
(1)
Deselected: Power-Down
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 Data in Semaphore Flag
Read Data in Semaphore Flag
Not Allowed
Not Allowed
Write I/O
Write I/O
Parameter
0
0
into Semaphore Flag
into Semaphore Flag
-0.5
Min.
Mode
Mode
4.5
2.2
0
(1)
0
- A
Typ.
5.0
____
____
2
0
.
6.0
Max.
5.5
0.8
0
(2)
3039 tbl 04
3039 tbl 03
3039 tbl 05
Unit
V
V
V
V