IDT7188L45DB(1996) Ver la hoja de datos (PDF) - Integrated Device Technology
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IDT7188L45DB Datasheet PDF : 7 Pages
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IDT7188S/L
CMOS STATIC RAM 64K (16K x 4-BIT)
PIN CONFIGURATIONS
A0
A1
A2
A3
A4
A5
A6
A7
A8
CS
GND
1
22
2
21
3
20
4
19
5
18
6 D22-1 17
7
16
8
15
9
14
10
13
11
12
VCC
A13
A12
A11
A10
A9
I/O 3
I/O 2
I/O 1
I/O 0
WE
2989 drw 02
DIP
TOP VIEW
PIN DESCRIPTIONS
Name
Description
A0–A13
Address Inputs
CS
Chip Select
WE
Write Enable
I/O0-3
Data Input/Output
VCC
Power
GND
Ground
MILITARY TEMPERATURE RANGE
ABSOLUTE MAXIMUM RATINGS(1)
Symbol
Rating
Com’l.
Mil.
Unit
VTERM 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
Under Bias
–55 to +125 –65 to +135 °C
TSTG
Storage
Temperature
–55 to +125 –65 to +150 °C
PT
Power Dissipation 1.0
1.0
W
IOUT
DC Output
Current
50
50
mA
NOTE:
2989 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.
CAPACITANCE (TA = +25°C, f = 1.0MHz, VCC = 0v))
Symbol
Parameter(1)
Conditions Max. Unit
CIN
Input Capacitance
VIN = 0V
6 pF
CI/O
I/O Capacitance
VOUT = 0V
6 pF
NOTE:
2989 tbl 04
1. This parameter is determined by device characterization, but is not
production tested.
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
0V
2989 tbl 01
VIH
Input High Voltage
2.2 — 6.0 V
VIL
Input Low Voltage –0.5(1) —
0.8 V
NOTE:
2989 tbl 05
1. VIL (min.) = –3.0V for pulse width less than 20ns,once per cycle.
TRUTH TABLE(1)
Mode
CS
WE
Standby
H
X
Read
L
H
Write
L
L
NOTE:
1. H = VIH, L = VIL, X = don't care.
I/O
High Z
DOUT
DIN
Power
Standby
Active
Active
2989 tbl 02
RECOMMENDED OPERATING
TEMPERATURE AND SUPPLY VOLTAGE
Grade
Temperature
GND
VCC
Military
–55°C to +125°C
0V
5V ± 10%
Commercial
0°C to +70°C
0V
5V ± 10%
2989 tbl 06
6.3
2
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