參數(shù)資料
型號: IDT7134SA20L48
廠商: INTEGRATED DEVICE TECHNOLOGY INC
元件分類: DRAM
英文描述: HIGH-SPEED 4K x 8 DUAL-PORT STATIC RAM
中文描述: 4K X 8 DUAL-PORT SRAM, 20 ns, CQCC48
封裝: LCC-48
文件頁數(shù): 5/9頁
文件大?。?/td> 110K
代理商: IDT7134SA20L48
6.04
5
IDT7134SA/LA
HIGH-SPEED 4K x 8 DUAL-PORT STATIC RAM
MILITARY AND COMMERCIAL TEMPERATURE RANGES
AC ELECTRICAL CHARACTERISTICS OVER THE
OPERATING TEMPERATURE AND SUPPLY VOLTAGE
(4)
(CONT'D)
7134X45
7134X55
7134X70
Symbol
READ CYCLE
t
RC
t
AA
t
ACE
t
AOE
t
OH
Parameter
Min.
Max.
Min.
Max.
Min.
Max.
Unit
Read Cycle Time
Address Access Time
Chip Enable Access Time
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)
45
0
45
45
25
55
0
55
55
30
70
0
70
70
40
ns
ns
ns
ns
ns
t
LZ
5
5
5
ns
t
HZ
20
25
30
ns
t
PU
0
0
0
ns
t
PD
45
50
50
ns
NOTES:
1. Transition is measured
±
500mV from Low or High-impedance voltage with the Output Test Load (Figure 2).
2. This parameter is guaranteed by device characterization, but is not production tested.
3. (Commercial only) 0
°
C to +70
°
C temperature range only.
4. “X” in part number indicates power rating (SA or LA).
2720 tbl 09
TIMING WAVEFORM OF READ CYCLE NO. 1, EITHER SIDE
(1, 2, 3)
AC ELECTRICAL CHARACTERISTICS OVER THE
OPERATING TEMPERATURE AND SUPPLY VOLTAGE
(4)
7134X20
(3)
7134X25
7134X35
Symbol
READ CYCLE
t
RC
t
AA
t
ACE
t
AOE
t
OH
Parameter
Min.
Max.
Min.
Max.
Min.
Max.
Unit
Read Cycle Time
Address Access Time
Chip Enable Access Time
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)
20
0
20
20
15
25
0
25
25
15
35
0
35
35
20
ns
ns
ns
ns
ns
t
LZ
0
0
0
ns
t
HZ
15
15
20
ns
t
PU
0
0
0
ns
t
PD
20
25
35
ns
NOTES:
1. Timing depends on which signal is asserted last,
OE
or
CE
.
2. Timing depends on which signal is de-asserted first,
OE
or
CE
.
3. R/
W
= V
IH
.
ADDRESS
DATA
OUT
PREVIOUS DATA VALID
DATA VALID
t
OH
t
OH
t
AA
t
RC
2720 drw 08
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IDT7134SA20L48B HIGH-SPEED 4K x 8 DUAL-PORT STATIC RAM
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