參數(shù)資料
型號: IDT7140LA25JB
廠商: INTEGRATED DEVICE TECHNOLOGY INC
元件分類: DRAM
英文描述: HIGH-SPEED 1K x 8 DUAL-PORT STATIC RAM
中文描述: 1K X 8 DUAL-PORT SRAM, 25 ns, PQCC52
封裝: PLASTIC, LCC-52
文件頁數(shù): 6/14頁
文件大?。?/td> 218K
代理商: IDT7140LA25JB
IDT7130SA/LA AND IDT7140SA/LA
HIGH-SPEED 1K x 8 DUAL-PORT STATIC RAM WITH INTERRUPTS
MILITARY AND COMMERCIAL TEMPERATURE RANGES
6.01
6
AC ELECTRICAL CHARACTERISTICS OVER THE
OPERATING TEMPERATURE AND SUPPLY VOLTAGE RANGE
(3)
7130X20
(2)
7130X25
(5)
7130X35
7140X35
7130X55
7140X55
7130X100
7140X100
7140X25
(5)
Min. Max. Min.
Symbol
Parameter
Min. Max.
Max. Min. Max. Min.
Max. Unit
Read Cycle
t
RC
t
AA
t
ACE
t
AOE
t
OH
t
LZ
t
HZ
t
PU
t
PD
NOTES:
1. Transition is measured
±
500mV from Low or High-impedance voltage Output Test Load (Figure 2).
2. Com'l Only, 0
°
C to +70
°
C temperature range. PLCC and TQFP package.
3. “X” in part numbers indicates power rating (SA or LA).
4. This parameter is guaranteed by device characterization, but is not production tested.
5. Not available in DIP packages.
Read Cycle Time
Address Access Time
Chip Enable Access Time
Output Enable Access Time
Output Hold From Address Change
Output Low-Z Time
(1,4)
Output High-Z Time
(1,4)
Chip Enable to Power Up Time
(4)
Chip Disable to Power Down Time
(4)
20
20
20
11
10
20
25
3
0
0
25
25
12
10
25
35
3
0
0
35
35
20
15
35
55
3
5
0
55
55
25
25
50
100
10
5
0
100
100
40
40
50
ns
ns
ns
ns
ns
ns
ns
ns
ns
3
0
0
2689 tbl 09
TIMING WAVEFORM OF READ CYCLE NO. 1, EITHER SIDE
(1)
ADDRESS
DATA
OUT
t
RC
t
OH
PREVIOUS DATA VALID
t
AA
t
OH
DATA VALID
2689 drw 08
t
BDD
(2,3)
BUSY
OUT
NOTES:
1.
R/
W
= V
IH
,
CE
= V
IL
, and is
OE
= V
IL
. Address is valid prior to the coincidental with
CE
transition Low.
2.
t
BDD
delay is required only in the case where the opposite port is completing a write operation to the same the
address location. For simultaneous read operations,
BUSY
has no relationship to valid output data.
3. Start of valid data depends on which timing becomes effective last t
AOE
, t
ACE
, t
AA
, and t
BDD
.
相關(guān)PDF資料
PDF描述
IDT7130SA25PB HIGH-SPEED 1K x 8 DUAL-PORT STATIC RAM
IDT7140SA25PB HIGH-SPEED 1K x 8 DUAL-PORT STATIC RAM
IDT7130LA25PB HIGH-SPEED 1K x 8 DUAL-PORT STATIC RAM
IDT7140LA25PB HIGH-SPEED 1K x 8 DUAL-PORT STATIC RAM
IDT7130SA25TF HIGH-SPEED 1K x 8 DUAL-PORT STATIC RAM
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