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參數(shù)資料
| 型號： | IDT7188L85DB |
| 廠商： | INTEGRATED DEVICE TECHNOLOGY INC |
| 元件分類： | DRAM |
| 英文描述： | CMOS STATIC RAM 64K 16K x 4-BIT |
| 中文描述： | 16K X 4 STANDARD SRAM, 85 ns, CDIP22 |
| 封裝： | 0.300 INCH, CERAMIC, DIP-22 |
| 文件頁數(shù)： | 2/8頁 |
| 文件大小： | 88K |
| 代理商： | IDT7188L85DB |
2
IDT7188S/L
CMOS Static RAM 64K (16K x 4-Bit) Military Temperature Range
Pin Configuration
Absolute Maximum Ratings
(1)
Recommended DC Operating
Conditions
Symbol
Parameter
Recommended Operating
Temperature and Supply Voltage
Capacitance
(T
A
= +25°C, f = 1.0MHz, V
CC
= 0V)
Pin Descriptions
Truth Table
(1)
Mode
NOTE:
1. H = V
IH
, L = V
IL
, X = don't care.
DIP
Top View
2989 drw 02
5
6
7
8
9
10
11
1
2
3
4
22
21
20
19
18
17
16
15
14
13
12
D22-1
A
0
A
1
A
2
A
3
A
4
A
5
A
6
A
7
A
8
V
CC
A
13
A
12
A
11
A
10
A
9
I/O
3
I/O
2
I/O
1
I/O
0
WE
GND
CS
,
Name
Description
A
0
- A
13
Address Inputs
CS
Chip Select
WE
Write Enable
I/O
0
- I/O
3
Data Input/Output
V
CC
Power
GND
Ground
2989 tbl 01
CS
WE
I/O
Power
Standby
H
X
High-Z
Standby
Read
L
H
D
OUT
Active
Write
L
L
D
IN
Active
2989 tbl 02
NOTE:
1. Stresses greater than those listed under ABSOLUTE MAXIMUMRATINGS
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 maximumrating conditions for extended periods may affect
reliability.
Symbol
Rating
Value
Unit
V
TERM
Termnal Voltage wth Respect to GND
-0.5 to +7.0
V
T
A
Operating Temperature
-55 to +125
o
C
T
BIAS
Temperature Under Bias
-65 to +135
o
C
T
STG
Storage Temperature
-65 to +150
o
C
P
T
Power Dissipation
1.0
W
I
OUT
DC Output Current
50
mA
2989 tbl 03
NOTE:
1. This parameter is determned by device characterization, but is not production
tested.
Symbol
Parameter
(1)
Conditions
Max.
Unit
C
IN
Input Capacitance
V
IN
= 0V
6
pF
C
I/O
I/O Capacitance
V
OUT
= 0V
6
pF
2989 tbl 04
NOTE:
1. V
IL
(mn.) = –3.0V for pulse width less than 20ns,once per cycle.
Min.
Typ.
Max.
Unit
V
CC
Supply Voltage
4.5
5.0
5.5
V
GND
Ground
0
0
0
V
V
IH
Input High Voltage
2.2
____
6.0
V
V
IL
Input LowVoltage
-0.5
(1)
____
0.8
V
2989 tbl 05
Grade
Temperature
GND
Vcc
Military
-55
O
C to +125
O
C
0V
5V ± 10%
2989 tbl 06
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