参数资料
型号: IDT70V24L15PF8
厂商: IDT, Integrated Device Technology Inc
文件页数: 11/25页
文件大小: 0K
描述: IC SRAM 64KBIT 15NS 100TQFP
标准包装: 750
格式 - 存储器: RAM
存储器类型: SRAM - 双端口,异步
存储容量: 64K(4K x 16)
速度: 15ns
接口: 并联
电源电压: 3 V ~ 3.6 V
工作温度: 0°C ~ 70°C
封装/外壳: 100-LQFP
供应商设备封装: 100-TQFP(14x14)
包装: 带卷 (TR)
其它名称: 70V24L15PF8
IDT70V35/34S/L (IDT70V25/24S/L)
High-Speed 3.3V 8/4K x 18 (8/4K x 16) Dual-Port Static RAM
Industrial and Commercial Temperature Ranges
AC Electrical Characteristics Over the Operating
Temperature and Supply Voltage Range for 70V25/24 (4)
70V25/24X15
Com'l Only
70V25/24X20
Com'l
& Ind
70V25/24X25
Com'l
& Ind
Symbol
Parameter
Min.
Max.
Min.
Max.
Min.
Max.
Unit
READ CYCLE
t RC
t AA
t ACE
t ABE
t AOE
t OH
t LZ
t HZ
t PU
t PD
t SOP
t SAA
Read Cycle Time
Address Access Time
Chip Enable Access Time (3)
Byte Enable Access Time (3)
Output Enable Access Time (3)
Output Hold from Address Change
Output Low-Z Time (1,2)
Output High-Z Time (1,2)
Chip Enable to Power Up Time (1,2)
Chip Disable to Power Down Time (1,2)
Semaphore Flag Update Pulse ( OE or SEM )
Semaphore Address Access (3)
15
____
____
____
____
3
3
____
0
____
10
____
____
15
15
15
10
____
____
10
____
15
____
15
20
____
____
____
____
3
3
____
0
____
10
____
____
20
20
20
12
____
____
12
____
20
____
20
25
____
____
____
____
3
3
____
0
____
10
____
____
25
25
25
13
____
____
15
____
25
____
25
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
5624 tbl 11a
70V25/24X35
Com'l Only
70V25/24X55
Com'l Only
Symbol
Parameter
Min.
Max.
Min.
Max.
Unit
READ CYCLE
t RC
t AA
t ACE
t ABE
t AOE
t OH
Read Cycle Time
Address Access Time
Chip Enable Access Time (3)
Byte Enable Access Time (3)
Output Enable Access Time (3)
Output Hold from Address Change
35
____
____
____
____
3
____
35
35
35
20
____
55
____
____
____
____
3
____
55
55
55
30
____
ns
ns
ns
ns
ns
ns
t LZ
Output Low-Z Time
(1,2)
3
____
3
____
ns
t HZ
Output High-Z Time
(1,2)
____
15
____
25
ns
t PU
Chip Enable to Power Up Time
(1,2)
0
____
0
____
ns
t PD
Chip Disable to Power Down Time
(1,2)
____
35
____
50
ns
t SOP
Semaphore Flag Update Pulse ( OE or SEM )
15
____
15
____
ns
t SAA
Semaphore Address Access
(3)
____
35
____
55
ns
5624 tbl 11b
NOTES:
1. Transition is measured 0mV from Low or High-impedance voltage with Output Test Load (Figure 2).
2. This parameter is guaranteed by device characterization, but is not production tested.
3. To access RAM, CE = V IL , UB or LB = V IL , and SEM = V IH . To access semaphore, CE = V IH or UB & LB = V IH , and SEM = V IL .
4. 'X' in part number indicates power rating (S or L).
11
6.42
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