參數(shù)資料
型號: IDT7034S15PF
廠商: INTEGRATED DEVICE TECHNOLOGY INC
元件分類: DRAM
英文描述: HIGH-SPEED 4K x 18 DUAL-PORT STATIC RAM
中文描述: 4K X 18 DUAL-PORT SRAM, 15 ns, PQFP100
封裝: 14 X 14 MM, 1.40 MM HEIGHT, TQFP-100
文件頁數(shù): 11/19頁
文件大?。?/td> 200K
代理商: IDT7034S15PF
6.42
IDT7034S/L
High-Speed 4K x 18 Dual-Port Static RAM Industrial and Commercial Temperature Ranges
AC Electrical Characteristics Over the
Operating Temperature and Supply Voltage Range
(6,7)
11
NOTES:
1. Port-to-port delay through RAM cells from writing port to reading port, refer to "Timing Waveform of Read With
BUSY
(M/
S
= V
IH
)" or "Timing Waveform of Write With
Port-To-Port Delay (M/
S
= V
IH
)".
2. To ensure that the earlier of the two ports wins.
3. t
BDD
is a calculated parameter and is the greater of 0ns, t
WDD
t
WP
(actual) or t
DDD
t
DW
(actual).
4. To ensure that the write cycle is inhibited on Port "B" during contention with Port "A".
5. To ensure that a write cycle is completed on Port "B" after contention with Port "A".
6. 'X' in part numbers indicates power rating (S or L).
7. Industrial temperature: for specific speeds, packages and powers contact your sales office.
Symbol
Parameter
7034X15
Com'l Only
7034X20
Com'l Only
Unit
Min.
Max.
Min.
Max.
BUSY
TIMING (M/
S
=V
IH
)
t
BAA
BUSY
Access Time from Address Match
____
15
____
20
ns
t
BDA
BUSY
Disable Time from Address Not Matched
____
15
____
20
ns
t
BAC
BUSY
Access Time from Chip Enable Low
____
15
____
20
ns
t
BDC
BUSY
Access Time from Chip Enable High
____
15
____
17
ns
t
APS
Arbitration Priority Set-up Time
(2)
5
____
5
____
ns
t
BDD
BUSY
Disable to Valid Data
(3)
____
18
____
30
ns
t
WH
Write Hold After
BUSY
(5)
12
____
15
____
ns
BUSY
TIMING (M/
S
=V
IL
)
t
WB
BUSY
Input to Write
(4)
0
____
0
____
ns
t
WH
Write Hold After
BUSY
(5)
12
____
15
____
ns
PORT-TO-PORT DELAY TIMING
t
WDD
Write Pulse to Data Delay
(1)
____
30
____
45
ns
t
DDD
Write Data Valid to Read Data Delay
(1)
____
25
____
30
ns
4089 tbl 14
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