參數(shù)資料
型號(hào): IDT7034S15PF
廠商: INTEGRATED DEVICE TECHNOLOGY INC
元件分類: DRAM
英文描述: HIGH-SPEED 4K x 18 DUAL-PORT STATIC RAM
中文描述: 4K X 18 DUAL-PORT SRAM, 15 ns, PQFP100
封裝: 14 X 14 MM, 1.40 MM HEIGHT, TQFP-100
文件頁(yè)數(shù): 4/19頁(yè)
文件大小: 200K
代理商: IDT7034S15PF
IDT7034S/L
High-Speed 4K x 18 Dual-Port Static RAM Industrial and Commercial Temperature Ranges
Truth Table II: Semaphore Read/Write Control
4
Recommended DC Operating
Conditions
Maximum Operating
Temperature and Supply
Voltage
(
1,2)
Capacitance
(T
A
= +25°C, f = 1.0MHz)
(1)
Absolute Maximum Ratings
(1)
NOTE:
1. There are eight semaphore flags written to via I/O
0
and read from I/O
0
- I/O
17.
These eight semaphores are addressed by A
0
- A
2
.
(1)
NOTES:
1.
Stresses greater than those listed under ABSOLUTE MAXIMUM RATINGS may
cause permanent damage to the device. This is a stress rating only and functional
operation of the device at these or any other conditions above those indicated in
the operational sections of this specification is not implied. Exposure to absolute
maximum rating conditions for extended periods may affect reliability.
V
TERM
must not exceed Vcc + 10% for more than 25% of the cycle time or 10ns
maximum, and is limited to < 20 mA for the period over V
TERM
> Vcc + 10%.
2.
NOTES:
1. This is the parameter T
A
.
2. Industrial temperature: for specific speeds, packages and powers contact your
sales office.
NOTES:
1.
2.
V
IL
> -1.5V for pulse width less than 10ns.
V
TERM
must not exceed Vcc + 10%.
NOTES:
1. This parameter is determined by device characterization but is not production
tested.
2. 3dV references the interpolated capacitance when the input and output signals
switch from 0V to 3V or from 3V to 0V.
Inputs
Outputs
Mode
CE
R/
W
OE
UB
LB
SEM
I/O
9-17
I/O
0-8
H
H
L
X
X
L
DATA
OUT
DATA
OUT
Read Data in Semaphore Flag
X
H
L
H
H
L
DATA
OUT
DATA
OUT
Read Data in Semaphore Flag
H
X
X
X
L
DATA
IN
DATA
IN
Write I/O
0
into Semaphore Flag
X
X
H
H
L
DATA
IN
DATA
IN
Write I/O
0
into Semaphore Flag
L
X
X
L
X
L
____
____
Not Allowed
L
X
X
X
L
L
____
____
Not Allowed
4089 tbl 03
Symbol
Rating
Commercial
& Industrial
Unit
V
TERM
(2)
Terminal Voltage
with Respect
to GND
-0.5 to +7.0
V
T
BIAS
Temperature
Under Bias
-55 to +125
o
C
T
STG
Storage
Temperature
-55 to +125
o
C
I
OUT
DC Output
Current
50
mA
4089 tbl 04
Grade
Ambient
Temperature
GND
Vcc
Commercial
0
O
C to +70
O
C
0V
5.0V
+
10%
Industrial
-40
O
C to +85
O
C
0V
5.0V
+
10%
4089 tbl 05
Symbol
Parameter
Min.
Typ.
Max.
Unit
V
CC
Supply Voltage
4.5
5.0
5.5
V
GND
Ground
0
0
0
V
V
IH
Input High Voltage
2.2
____
6.0
(2)
V
V
IL
Input Low Voltage
-0.5
(1)
____
0.8
V
4089 tbl 06
Symbol
Parameter
Conditions
(2)
Max.
Unit
C
IN
Input Capacitance
V
IN
= 3dV
9
pF
C
OUT
Output Capacitance
V
OUT
= 3dV
10
pF
4089 tbl 07
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