IDT71024 Просмотр технического описания (PDF) - Integrated Device Technology
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IDT71024 Datasheet PDF : 8 Pages
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IDT71024
CMOS STATIC RAM 1MEG (128K x 8-BIT)
PIN CONFIGURATION
NC
A16
A14
A12
A7
A6
A5
A4
A3
A2
A1
A0
I/O0
I/O1
I/O2
GND
1
32
2
31
3
30
4
29
5
28
6 SO32-2 27
7 SO32-3 26
8 L32-2 25
9
24
10
23
11
22
12
21
13
20
14
19
15
18
16
17
VCC
A15
CS2
WE
A13
A8
A9
A11
OE
A10
CS1
I/O7
I/O6
I/O5
I/O4
I/O3
SOJ/LCC
TOP VIEW
2964 drw 02
MILITARY, INDUSTRIAL AND COMMERCIAL TEMPERATURE RANGES
ABSOLUTE MAXIMUM RATINGS(1)
Symbol
Rating
Com’l, Ind'l
Mil.
Unit
VTERM(2) Terminal Voltage –0.5 to +7.0 –0.5 to +7.0 V
Relative to GND
TBIAS
Temperature
Under Bias
–55 to +125 –65 to +135 °C
TSTG
Storage
Temperature
–55 to +125 –65 to +150 °C
PT
Power
Dissipation
1.25
1.25
W
IOUT
DC Output
Current
50
50
mA
NOTES:
2964 tbl 02
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.
TRUTH TABLE(1,2)
INPUTS
WE CS1 CS2 OE
X HX X
I/O
High-Z
X VHC(3) X X High-Z
X X L X High-Z
X
X VLC(3) X
High-Z
H L H H High-Z
H L H L DATAOUT
L
L H X DATAIN
NOTES:
1. H = VIH, L = VIL, X = Don't care.
2. VLC = 0.2V, VHC = VCC -0.2V.
3. Other inputs ≥VHC or ≤VLC.
FUNCTION
Deselected–Standby (ISB)
Deselected–Standby (ISB1)
Deselected–Standby (ISB)
Deselected–Standby (ISB1)
Outputs Disabled
Read Data
Write Data
2964 tbl 01
RECOMMENDED OPERATING
TEMPERATURE AND SUPPLY VOLTAGE
Grade
Temperature
GND
VCC
Commercial
0°C to +70°C
0V
5.0V ± 0.5V
Industrial
-40°C to +85°C
0V
5.0V ± 0.5V
Military
-55°C to +125°C
0V
5.0V ± 0.5V
2964 tbl 03
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 — Vcc+0.5 V
VIL
Input Low Voltage –0.5(1) —
0.8
V
NOTE:
2964 tbl 04
1. VIL (min.) = –1.5V for pulse width less than 10ns, once per cycle.
DC ELECTRICAL CHARACTERISTICS
VCC = 5.0V ± 10%
Symbol
Parameter
|ILI|
Input Leakage Current
|ILO| Output Leakage Current
VOL
Output LOW Voltage
VOH
Output HIGH Voltage
Test Condition
VCC = Max., VIN = GND to VCC
VCC = Max., CS1 = VIH, CS2 = VIL, VOUT = GND to VCC
IOL = 8mA, VCC = Min.
IOH = –4mA, VCC = Min.
IDT71024
Min.
Max.
—
5
—
5
—
0.4
2.4
—
Unit
µA
µA
V
V
2964 tbl 05
2
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