參數(shù)資料
型號: IDT7034L20PF8
廠商: INTEGRATED DEVICE TECHNOLOGY INC
元件分類: SRAM
英文描述: 4K X 18 DUAL-PORT SRAM, 20 ns, PQFP100
封裝: 14 X 14 MM, 1.40 MM HEIGHT, TQFP-100
文件頁數(shù): 14/19頁
文件大?。?/td> 167K
代理商: IDT7034L20PF8
IDT7034S/L
High-Speed 4K x 18 Dual-Port Static RAM
Industrial and Commercial Temperature Ranges
4
Recommended DC Operating
Conditions
Maximum Operating
Temperature and Supply Voltage(1)
Capacitance (TA = +25°C, f = 1.0MHz)(1)
Absolute Maximum Ratings(1)
NOTE:
1. There are eight semaphore flags written to via I/O0 and read from I/O0 - I/O17. These eight semaphores are addressed by A0 - A2.
Truth Table II: Semaphore Read/Write Control
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.
2.
VTERM 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 VTERM > Vcc + 10%.
NOTES:
1. This is the parameter TA. This is the "instant on" case temperature.
NOTES:
1.
VIL > -1.5V for pulse width less than 10ns.
2.
VTERM 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/O9-17
I/O0-8
HH
L
X
L
DATAOUT
Read Data in Semaphore Flag
XH
L
H
L
DATAOUT
Read Data in Semaphore Flag
H
XX
X
L
DATAIN
Write I/O0 into Semaphore Flag
X
XH
H
L
DATAIN
Write I/O0 into Semaphore Flag
LX
X
L
X
L
____
Not Allowed
L
XXX
L
____
Not Allowed
4089 tbl 03
Symbol
Rating
Commercial
& Industrial
Unit
VTERM
(2)
Terminal Voltage
with Respect
to GND
-0.5 to +7.0
V
TBIAS
Temperature
Under Bias
-55 to +125
oC
TSTG
Storage
Temperature
-65 to +150
oC
IOUT
DC Output
Current
50
mA
4089 tbl 04
Grade
Ambient
Temperature
GND
Vcc
Commercial
0OC to +70OC0V
5.0V
+ 10%
Industrial
-40OC to +85OC0V
5.0V
+ 10%
4089 tbl 05
Symbol
Parameter
Min.
Typ.
Max.
Unit
VCC
Supply Voltage
4.5
5.0
5.5
V
GND
Ground
0
V
VIH
Input High Voltage
2.2
____
6.0
(2)
V
VIL
Input Low Voltage
-0.5
(1)
____
0.8
V
4089 tbl 06
Symbol
Parameter
Conditions(2)
Max.
Unit
CIN
Input Capacitance
VIN = 3dV
9
pF
COUT
Output Capacitance
VOUT = 3dV
10
pF
4089 tbl 07
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