參數(shù)資料
型號(hào): IDT71342LA45PF
廠商: INTEGRATED DEVICE TECHNOLOGY INC
元件分類: DRAM
英文描述: HIGH-SPEED 4K x 8 DUAL-PORT STATIC RAM WITH SEMAPHORE
中文描述: 4K X 8 DUAL-PORT SRAM, 45 ns, PQFP64
封裝: PLASTIC, TQFP-64
文件頁數(shù): 5/13頁
文件大?。?/td> 144K
代理商: IDT71342LA45PF
6.05
5
IDT71342SA/LA
HIGH-SPEED 4K x 8 DUAL-PORT STATIC RAM WITH SEMAPHORE
COMMERCIAL TEMPERATURE RANGE
AC ELECTRICAL CHARACTERISTICS OVER THE
OPERATING TEMPERATURE AND SUPPLY VOLTAGE
(4)
(CONT'D)
71342X45
71342X55
71342X70
Symbol
READ CYCLE
t
RC
t
AA
Parameter
Min.
Max.
Min.
Max.
Min.
Max.
Unit
Read Cycle Time
Address Access Time
Chip Enable Access Time
(3)
45
45
55
55
70
70
ns
ns
t
ACE
45
55
70
ns
t
AOE
t
OH
Output Enable Access Time
Output Hold from Address Change
Output Low-Z Time
(1, 2)
Output High-Z Time
(1, 2)
Chip Enable to Power Up Time
(2)
Chip Disable to Power Down Time
(2)
0
25
0
30
0
40
ns
ns
t
LZ
5
5
5
ns
t
HZ
20
25
30
ns
t
PU
0
0
0
ns
t
PD
50
50
50
ns
t
SOP
SEM Flag Update Pulse (
OE
or
SEM
)
Write Pulse to Data Delay
(4)
Write Data Valid to Read Data Delay
(4)
Semaphore Address Access Time
15
20
20
ns
t
WDD
70
80
90
ns
t
DDD
t
SAA
45
45
55
55
70
70
ns
ns
NOTES:
1. Transition is measured
±
500mV from Low or High-impedance voltage with the Ouput Test Load (Figure 2).
2. This parameter is guaranteed by device characterization, but is not production tested.
3. To access RAM,
CE
= V
IL,
SEM
= V
IH
. To access semaphore,
CE
= V
IH
, and
SEM
= V
IL
.
4. “X” in part number indicates power rating (SA or LA).
AC ELECTRICAL CHARACTERISTICS OVER THE
OPERATING TEMPERATURE AND SUPPLY VOLTAGE
(4)
71342X20
71342X25
71342X35
Symbol
READ CYCLE
t
RC
t
AA
Parameter
Min.
Max.
Min.
Max.
Min.
Max.
Unit
Read Cycle Time
Address Access Time
Chip Enable Access Time
(3)
20
20
25
25
35
35
ns
ns
t
ACE
20
25
35
ns
t
AOE
t
OH
Output Enable Access Time
Output Hold from Address Change
Output Low-Z Time
(1, 2)
Output High-Z Time
(1, 2)
Chip Enable to Power Up Time
(2)
Chip Disable to Power Down Time
(2)
0
15
0
15
0
20
ns
ns
t
LZ
0
0
0
ns
t
HZ
15
15
20
ns
t
PU
0
0
0
ns
t
PD
50
50
50
ns
t
SOP
SEM Flag Update Pulse (
OE
or
SEM
)
Write Pulse to Data Delay
(4)
Write Data Valid to Read Data Delay
(4)
Semaphore Address Access Time
10
15
ns
t
WDD
40
50
60
ns
t
DDD
t
SAA
30
30
25
35
35
ns
ns
2721 tbl 09
2721 tbl 10
相關(guān)PDF資料
PDF描述
IDT71342 HIGH-SPEED 4K x 8 DUAL-PORT STATIC RAM WITH SEMAPHORE
IDT71342LA HIGH-SPEED 4K x 8 DUAL-PORT STATIC RAM WITH SEMAPHORE
IDT71342LA20J HIGH-SPEED 4K x 8 DUAL-PORT STATIC RAM WITH SEMAPHORE
IDT71342LA20PF HIGH-SPEED 4K x 8 DUAL-PORT STATIC RAM WITH SEMAPHORE
IDT71342LA25J HIGH-SPEED 4K x 8 DUAL-PORT STATIC RAM WITH SEMAPHORE
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