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IDT71V256SB डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - 3.3V CMOS FAST SRAM WITH 2.5V COMPATIBLE INPUTS 256K (32K x 8-BIT) - Integrated Device Technology

भाग संख्या IDT71V256SB
समारोह 3.3V CMOS FAST SRAM WITH 2.5V COMPATIBLE INPUTS 256K (32K x 8-BIT)
मैन्युफैक्चरर्स Integrated Device Technology 
लोगो Integrated Device Technology लोगो 
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IDT71V256SB pdf
IDT71V256SB
3.3V CMOS STATIC RAM WITH 2.5V COMPATIBLE INPUTS 256K (32K x 8-BIT)
COMMERCIAL TEMPERATURE RANGE
PIN CONFIGURATIONS
ABSOLUTE MAXIMUM RATINGS(1)
A14
A12
A7
A6
A5
A4
A3
A2
A1
A0
I/O0
I/O1
I/O2
GND
1 28
2 27
3 26
4 25
5 24
6 23
7 SO28-5 22
8 21
9 20
10 19
11 18
12 17
13 16
14 15
SOJ
TOP VIEW
VCC
WE
A13
A8
A9
A11
OE
A10
CS
I/O7
I/O6
I/O5
I/O4
I/O3
3770 drw 02
OE
A11
A9
A8
A13
WE
VCC
A14
A12
A7
A6
A5
A4
A3
22
23
24
25
26
27
28
1
2
3
4
5
6
7
SO28-8
TSOP
TOP VIEW
21 A10
20 CS
19 I/O7
18 I/O6
17 I/O5
16 I/O4
15 I/O3
14 GND
13 I/O2
12 I/O1
11 I/O0
10 A0
9 A1
8 A2
3770 drw 03
Symbol
VTERM(2)
VTERM(3)
Rating
Terminal Voltage with
Respect to GND
Terminal Voltage with
Respect to GND
Com’l.
–0.5 to +4.6
Unit
V
–0.5 to VCC+0.5 V
TA
Operating Temperature
0 to +70
°C
TBIAS
Temperature Under Bias –55 to +125
°C
TSTG
Storage Temperature
–55 to +125
°C
PT Power Dissipation
1.0 W
IOUT
DC Output Current
50 mA
NOTES:
3770 tbl 03
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. Vcc terminals only.
3. Input, Output, and I/O terminals; 4.6V maximum.
CAPACITANCE
(TA = +25°C, f = 1.0MHz, SOJ package)
Symbol
Parameter(1)
Conditions Max. Unit
CIN Input Capacitance
VIN = 3dV
6 pF
COUT Output Capacitance VOUT = 3dV
7 pF
NOTE:
3770 tbl 04
1. This parameter is determined by device characterization, but is not
production tested.
PIN DESCRIPTIONS
Name
A0–A14
I/O0–I/O7
CS
WE
OE
GND
VCC
Description
Addresses
Data Input/Output
Chip Select
Write Enable
Output Enable
Ground
Power
TRUTH TABLE(1)
3770 tbl 01
WE
CS OE I/O
X H X High-Z
X VHC X High-Z
H L H High-Z
H L L DOUT
L L X DIN
NOTE:
1. H = VIH, L = VIL, X = Don’t Care
Function
Standby (ISB)
Standby (ISB1)
Output Disable
Read
Write
3770 tbl 02
RECOMMENDED OPERATING
TEMPERATURE AND SUPPLY VOLTAGE
Grade
Temperature
GND
VCC
Commercial
0°C to +70°C
0V 3.3V ± 0.3V
3770 tbl 05
RECOMMENDED DC OPERATING
CONDITIONS
Symbol
Parameter
Min. Typ. Max. Unit
VCC Supply Voltage
3.0 3.3 3.6 V
GND Supply Voltage
00
0V
VIH Input High Voltage - Inputs 1.8 — 5.0 V
VIH
Input High Voltage - I/O
1.8 — Vcc+0.3 V
VIL Input Low Voltage
–0.5(1)
0.8 V
NOTE:
3770 tbl 06
1. VIL (min.) = –1.0V for pulse width less than 5ns, once per cycle.
2

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