IDT70261L(2000) 查看數據表（PDF） - Integrated Device Technology
零件编号
产品描述 (功能)
生产厂家
IDT70261L
(Rev.:2000)
(Rev.:2000)
Integrated Device Technology
IDT70261L Datasheet PDF : 19 Pages
| |||
IDT70261S/L
High-Speed 16K x 16 Dual-Port Static RAM with Interrupt
Maximum Operating Temperature
and Supply Voltage(1,2)
Grade
Ambient
Temperature
GND
Vcc
Commercial
0OC to +70OC
0V
5.0V + 10%
Industrial
-40OC to +85OC
0V
5.0V + 10%
NOTES:
1. This is the parameter TA.
3039 tbl 02
Industrial and Commercial Temperature Ranges
Recommended DC Operating
Conditions
Symbol
Parameter
Min. Typ. Max. Unit
VCC Supply Voltage
4.5 5.0 5.5 V
GND Ground
0
0
0V
VIH Input High Voltage
2.2
____
6.0(2)
V
VIL Input Low Voltage
-0.5(1)
____
0.8
V
NOTES:
1. VIL > -1.5V for pulse width less than 10ns.
2. VTERM must not exceed Vcc + 10%.
3039 tbl 03
Truth Table I Non-Contention Read/Write Control
Inputs(1)
Outputs
CE
R/W
OE
UB
LB
SEM
I/O8-1 5
I/O0-7
Mode
H
X
X
X
X
H
High-Z
High-Z Deselected: Power-Down
X
X
X
H
H
H
High-Z
High-Z Both Bytes Deselected
L
L
X
L
H
H
DATAIN
High-Z Write to Upper Byte Only
L
L
X
H
L
H
High-Z
DATAIN Write to Lower Byte Only
L
L
X
L
L
H
DATAIN
DATAIN Write to Both Bytes
L
H
L
L
H
H
DATAOUT High-Z Read Upper Byte Only
L
H
L
H
L
H
High-Z DATAOUT Read Lower Byte Only
L
H
L
L
L
H
DATAOUT DATAOUT Read Both Bytes
X
X
H
X
X
X
High-Z
High-Z Outputs Disabled
NOTE:
1. A0L — A13L ≠ A0R — A13R.
3039 tbl 04
Truth Table II Semaphore Read/Write Control(1)
Inputs
Outputs
CE
R/W
OE
UB
LB
SEM
I/O8-15
I/O0-7
Mode
H
H
L
X
X
L
DATAOUT DATAOUT Read Data in Semaphore Flag
X
H
L
H
H
L
DATAOUT DATAOUT Read Data in Semaphore Flag
H
↑
X
X
X
L
DATAIN
DATAIN Write I/O0 into Semaphore Flag
X
↑
X
H
H
L
DATAIN
DATAIN Write I/O0 into Semaphore Flag
L
X
X
L
X
L
______
______
Not Allowed
L
X
X
X
L
L
______
______
Not Allowed
NOTE:
1. There are eight semaphore flags written to via I/O0 and read from all I/O's(I/O0 - I/O15). These eight semaphores are addressed by A0 - A2.
3039 tbl 05
6.342
Share Link: 