參數(shù)資料
型號: IDT71256S35LB
廠商: INTEGRATED DEVICE TECHNOLOGY INC
元件分類: DRAM
英文描述: CMOS STATIC RAM 256K (32K x 8-BIT)
中文描述: 32K X 8 STANDARD SRAM, 35 ns, CQCC32
封裝: LCC-32
文件頁數(shù): 6/9頁
文件大小: 78K
代理商: IDT71256S35LB
7.2
6
IDT71256 S/L
CMOS STATIC RAM 256K (32K x 8-BIT)
MILITARY AND COMMERCIAL TEMPERATURE RANGES
AC ELECTRICAL CHARACTERISTICS
(V
CC
= 5.0V
±
10%, All Temperature Ranges)
71256S55
(1)
71256L55
(1)
71256S70
(1)
71256L70
(1)
71256S85
(1)
71256L85
(1)
71256S100
(1,3)
71256L100
(1,3)
Symbol
Parameter
Min.
Max.
Min.
Max.
Min.
Max.
Min.
Max.
Unit
Read Cycle
t
RC
Read Cycle Time
55
70
85
100
ns
t
AA
Address Access Time
55
70
85
100
ns
t
ACS
Chip Select Access Time
55
70
85
100
ns
t
CLZ
(2)
t
CHZ
(2)
Chip Deselect to Output in Low-Z
5
5
5
5
ns
Output Enable to Output in Low-Z
25
30
35
40
ns
t
OE
Output Enable to Output Valid
25
30
35
40
ns
t
OLZ
(2)
Output Enable to Output in Low-Z
0
0
0
0
ns
t
OHZ
(2)
Output Disable to Output in High-Z
0
25
0
30
35
40
ns
t
OH
Output Hold from Address Change
5
5
5
5
ns
Write Cycle
t
WC
Write Cycle Time
55
70
85
100
ns
t
CW
Chip Select to End-of-Write
50
60
70
80
ns
t
AW
Address Valid to End-of-Write
50
60
70
80
ns
t
AS
Address Set-up Time
0
0
0
0
ns
t
WP
Write Pulse Width
40
45
50
55
ns
t
WR
Write Recovery Time
0
0
0
0
ns
t
DW
Data to Write Time Overlap
25
30
35
40
ns
t
DH
Data Hold from Write Time (
WE
)
0
0
0
0
ns
t
WHZ
(2)
Write Enable to Output in High-Z
25
30
35
40
ns
t
OW
(2)
Output Active from End-of-Write
5
5
5
5
ns
NOTES:
1. –55
°
C to +125
°
C temperature range only.
2. This parameter guaranteed by device characterization, but is not production tested.
3. Also available: 120 and 150 ns military devices.
2946 tbl 11
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
IDT71256S35TDB 制造商:Integrated Device Technology Inc 功能描述:IC SRAM 256KBIT 35NS 28CDIP
IDT71256S45DB 制造商:Integrated Device Technology Inc 功能描述:IC SRAM 256KBIT 45NS 28CDIP
IDT71256S45TDB 制造商:Integrated Device Technology Inc 功能描述:IC SRAM 256KBIT 28CDIP
Idt71256S55DB 制造商:Integrated Device Technology Inc 功能描述:IC SRAM 256KBIT 55NS 28CDIP
IDT71256S55P 制造商:Integrated Device Technology Inc 功能描述: