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IDT7025S15PF Datasheet(PDF) 4 Page - Integrated Device Technology

Part # IDT7025S15PF
Description  HIGH-SPEED 8K x 16 DUAL-PORT STATIC RAM
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Manufacturer  IDT [Integrated Device Technology]
Direct Link  http://www.idt.com
Logo IDT - Integrated Device Technology

IDT7025S15PF Datasheet(HTML) 4 Page - Integrated Device Technology

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6.16
4
IDT7025S/L
HIGH-SPEED 8K x 16 DUAL-PORT STATIC RAM
MILITARY AND COMMERCIAL TEMPERATURE RANGES
CAPACITANCE(1)
(TA = +25
°C, f = 1.0MHz)TQFP ONLY
Symbol
Parameter
Conditions
(2) Max.
Unit
CIN
Input Capacitance
VIN = 3dV
9
pF
COUT
Output
VOUT = 3dV
10
pF
Capacitance
NOTES:
2683 tbl 07
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.
ABSOLUTE MAXIMUM RATINGS(1)
Symbol
Rating
Commercial
Military
Unit
VTERM
(2)
Terminal Voltage –0.5 to +7.0
–0.5 to +7.0
V
with Respect
to GND
TA
Operating
0 to +70
–55 to +125
°C
Temperature
TBIAS
Temperature
–55 to +125
–65 to +135
°C
Under Bias
TSTG
Storage
–55 to +125
–65 to +150
°C
Temperature
IOUT
DC Output
50
50
mA
Current
NOTES:
2683 tbl 05
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 + 0.5V for more than 25% of the cycle time
or 10ns maximum, and is limited to < 20 mA for the period over VTERM
> Vcc + 0.5V.
TRUTH TABLE I – NON-CONTENTION READ/WRITE CONTROL
Inputs
(1)
Outputs
CE
CE
CE
CE
CE
R/
W
W
W
W
W
OE
OE
OE
OE
OE
UB
UB
UB
UB
UB
LB
LB
LB
LB
LB
SEM
SEM
SEM
SEM
SEM
I/O8-15
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:
2683 tbl 03
1. A0L — A12L are not equal to A0R — A12R.
RECOMMENDED DC OPERATING
CONDITIONS
Symbol
Parameter
Min.
Typ.
Max. Unit
VCC
Supply Voltage
4.5
5.0
5.5
V
GND
Supply Voltage
0
0
0
V
VIH
Input High Voltage
2.2
6.0(2)
V
VIL
Input Low Voltage
–0.5
(1)
0.8
V
NOTES:
2683 tbl 06
1. VIL > -1.5V for pulse width less than 10ns.
2. VTERM must not exceed Vcc + 0.5V.
NOTE:
1. There are eight semaphore flags written to via I/O0 and read from I/O0 - I/O15. These eight semaphores are addressed by A0 - A2.
TRUTH TABLE II – SEMAPHORE READ/WRITE CONTROL(1)
Inputs
Outputs
CE
CE
CE
CE
CE
R/
W
W
W
W
W
OE
OE
OE
OE
OE
UB
UB
UB
UB
UB
LB
LB
LB
LB
LB
SEM
SEM
SEM
SEM
SEM
I/O8-15
I/O0-7
Mode
H
H
L
X
X
L
DATAOUT DATAOUT Read Semaphore Flag Data Out
X
H
L
H
H
L
DATAOUT DATAOUT Read Semaphore Flag Data Out
H
u
X
X
X
L
DATAIN
DATAIN
Write I/O0 into Semaphore Flag
X
u
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
2683 tbl 04


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