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參數(shù)資料
| 型號(hào)： | IDT7198L |
| 廠商： | Integrated Device Technology, Inc. |
| 英文描述： | Current-Mode PWM Controller 8-SOIC -40 to 85 |
| 中文描述： | 64K的的CMOS靜態(tài)RAM（16K的× 4位）新增芯片選擇和輸出控制 |
| 文件頁數(shù)： | 4/8頁 |
| 文件大?。?/td> | 80K |
| 代理商： | IDT7198L |
6.4
4
IDT7198S/L
CMOS STATIC RAM 64K (16K x 4-BIT) Added Chip Select and Output Enable Controls
MILITARY TEMPERATURE RANGE
DATA RETENTION CHARACTERISTICS OVER MILITARY TEMPERATURE RANGE
(L Version Only) V
LC
= 0.2V, V
HC
= V
CC
- 0.2V
Typ.
(1)
V
CC
@
Max.
V
CC
@
Symbol
V
DR
I
CCDR
t
CDR(3)
Parameter
Test Condition
Min.
2.0
—
0
2.0v
—
10
—
3.0V
—
15
—
2.0V
—
600
—
3.0V
—
900
—
Unit
V
μ
A
ns
V
CC
for Data Retention
Data Retention Current
Chip Deselect to Data
Retention Time
Operation Recovery Time
Input Leakage Current
—
CS
1
or
CS
2
≥
V
HC
V
IN
≥
V
HC
or
≤
V
LC
t
R(3)
|I
LI
|
(3)
t
RC(2)
—
—
—
—
—
—
2
—
2
ns
μ
A
NOTES:
1. T
A
= +25
°
C.
2. t
RC
= Read Cycle Time.
3. This parameter is guaranteed by device characterization but is not production tested.
2985 tbl 09
DC ELECTRICAL CHARACTERISTICS
(1)
(V
CC
= 5V
±
10%, V
LC
= 0.2V, V
HC
= V
CC
- 0.2V)
7198S20
7198L20
Military
7198S25
7198L25
Military
7198S35
7198L35
Military
7198S45 7198S55/70 7198S85
7198L45 7198L55/70 7198L85
Military
Military
Symbol
Parameter
Power
Military
Unit
I
CC1
Operating Power
Supply Current,
CS
1
and
CS
2
≤
V
IL
, Outputs Open
V
CC
= Max., f = 0
(2)
Dynamic Operating
Current,
CS
1
and
CS
2
≤
V
IL
, Outputs Open
V
CC
= Max., f = f
MAX(2)
Standby Power Supply
Current (TTL Level),
CS
1
or
CS
2
≥
V
IH
, V
CC
= Max.,
Outputs Open, f = f
MAX(2)
Full Standby Power
Supply Current (CMOS
Level)
CS
1
or
CS
2
≥
V
HC
,
V
CC
= Max., V
IN
≥
V
HC
or
V
IN
≤
V
LC
, f = 0
(2)
S
105
105
105
105
105
105
mA
L
80
80
80
80
80
80
I
CC2
S
160
155
140
140
140
140
mA
L
130
120
115
110
110
105
I
SB
S
70
60
50
50
50
50
mA
L
50
40
35
35
35
35
I
SB1
S
25
20
20
20
20
20
mA
L
1.5
1.5
1.5
1.5
1.5
1.5
NOTES:
1. All values are maximum guaranteed values.
2. At f = f
MAX
address and data inputs are cycling at the maximum frequency of read cycles of 1/t
RC
. f = 0 means no input lines change.
2985 tbl 06
LOW V
CC
DATA RETENTION WAVEFORM
2985 drw 04
DATA
RETENTION
MODE
4.5V
4.5V
V
DR
≥
2V
V
IH
V
IH
t
R
t
CDR
V
CC
CS
V
DR
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