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參數(shù)資料
| 型號(hào)： | IDT7187S25DB |
| 廠商： | INTEGRATED DEVICE TECHNOLOGY INC |
| 元件分類： | DRAM |
| 英文描述： | CMOS STATIC RAM 64K (64K x 1-BIT) |
| 中文描述： | 64K X 1 STANDARD SRAM, 25 ns, CDIP22 |
| 封裝： | 0.300 INCH, CERAMIC, DIP-22 |
| 文件頁(yè)數(shù)： | 5/8頁(yè) |
| 文件大?。?/td> | 70K |
| 代理商： | IDT7187S25DB |
6.2
5
IDT7187S/L
CMOS STATIC RAM 64K (64K x 1-BIT)
MILITARY TEMPERATURE RANGE
AC TEST CONDITIONS
Input Pulse Levels
GND to 3.0V
Input Rise/Fall Times
5ns
Input Timing Reference Levels
1.5V
Output Reference Levels
1.5V
AC Test Load
See Figures 1 and 2
2986 tbl 10
Figure 1. AC Test Load
Figure 2. AC Test Load
(for t
HZ
, t
LZ
, t
WZ
and t
OW
)
*Includes scope and jig capacitances
2986 drw 05
480
30pF*
255
DATA
OUT
5V
2986 drw 06
480
5pF*
255
DATA
OUT
5V
AC ELECTRICAL CHARACTERISTICS
(V
CC
= 5.0V
±
10%, All Temperature Ranges)
7187S25
7187L25
Min.
7187S35/45
(1)
7187L35/45
(1)
Max. Min. Max. Min. Max. Min.
7187S55
(1)
7187L55
(1)
7187S70
(1)
7187L70
(1)
7187S85
(1)
7187L85
(1)
Symbol
Parameter
Max. Min. Max. Unit
Read Cycle
t
RC
Read Cycle Time
25
—
35/45
—
55
—
70
—
85
—
ns
t
AA
Address Access Time
—
25
—
35/45
—
55
—
70
—
85
ns
t
ACS
Chip Select Access Time
—
25
—
35/45
—
55
—
70
—
85
ns
t
OH
t
LZ(2)
t
HZ(2)
t
PU(2)
t
PD(2)
Output Hold from Address Change
5
—
5
—
5
—
5
—
5
—
ns
Output Selection to Output in Low-Z
5
—
5
—
5
—
5
—
5
—
ns
Chip Deselect to Output in High-Z
—
12
—
17/20
—
30
—
30
—
40
ns
Chip Select to Power-Up Time
0
—
0
—
0
—
0
—
0
—
ns
Chip Deselect to Power-Down Time
—
20
—
30/35
—
35
—
35
—
40
ns
NOTES:
1. –55
°
C to +125
°
C temperature range only.
2. This parameter guaranteed but not tested.
2986 tbl 11
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| IDT7187S25L22B | CMOS STATIC RAM 64K (64K x 1-BIT) |
| IDT7187S35DB | CMOS STATIC RAM 64K (64K x 1-BIT) |
| IDT7187S35L22B | CMOS STATIC RAM 64K (64K x 1-BIT) |
| IDT7188L85DB | CMOS STATIC RAM 64K 16K x 4-BIT |
| IDT7188S85DB | CMOS STATIC RAM 64K 16K x 4-BIT |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| IDT7187S35CB | 制造商:Integrated Device Technology Inc 功能描述: |
| IDT7187S45CB | 制造商:Integrated Device Technology Inc 功能描述:Static RAM, 64Kx1, 22 Pin, Ceramic, DIP |
| IDT7187S45DB | 制造商:Integrated Device Technology Inc 功能描述:Static RAM, 64Kx1, 22 Pin, Ceramic, DIP |
| IDT7187S45PI | 制造商:Integrated Device Technology Inc 功能描述:7187S45PI |
| IDT7187S85CB | 制造商:Integrated Device Technology Inc 功能描述:Static RAM, 64Kx1, 22 Pin, Ceramic, DIP |
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