参数资料
型号: P4C1258-15JC
厂商: PYRAMID SEMICONDUCTOR CORP
元件分类: DRAM
英文描述: ULTRA HIGH SPEED 64K x 4 STATIC CMOS RAM
中文描述: 64K X 4 STANDARD SRAM, 15 ns, PDSO24
封装: 0.300 INCH, PLASTIC, SOJ-24
文件页数: 4/9页
文件大小: 185K
代理商: P4C1258-15JC
P4C1258
Page 4 of 9
Document #
SRAM123
REV OR
AC CHARACTERISTICS—READ CYCLE
(V
CC
= 5V ± 10%, All Temperature Ranges)
(2)
Notes:
5.
CE
is LOW and
WE
is HIGH for READ cycle.
6.
WE
is HIGH, and address must be valid prior to or coincident with
CE
transition LOW.
7. Transition is measured ±200mV from steady state voltage prior to
change with specified loading in Figure 1. This parameter is sampled
and not 100% tested.
8. Read Cycle Time is measured from the last valid address to the first
transitioning address.
TIMING WAVEFORM OF READ CYCLE NO. 2
(6)
TIMING WAVEFORM OF READ CYCLE NO. 1
(5)
Sym.
t
RC
t
AA
t
AC
t
OH
t
LZ
t
HZ
t
PU
t
PD
Parameter
Read Cycle Time
Address Access Time
Chip Enable Access Time
Output Hold from Address Change
Chip Enable to Output in Low Z
Chip Disable to Output in High Z
Chip Enable to Power Up Time
Chip Disable to Power Down Time
-15
Min
15
2
2
0
Max
15
15
8
15
-20
Min
20
2
3
0
Max
20
20
9
20
-25
Min
25
2
3
0
Max
25
25
10
25
-35
Min
35
2
3
0
Max
35
35
11
35
Unit
ns
ns
ns
ns
ns
ns
ns
ns
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P4C1258-15JI 制造商:PYRAMID 制造商全称:Pyramid Semiconductor Corporation 功能描述:ULTRA HIGH SPEED 64K x 4 STATIC CMOS RAM
P4C1258-15PC 制造商:PYRAMID 制造商全称:Pyramid Semiconductor Corporation 功能描述:ULTRA HIGH SPEED 64K x 4 STATIC CMOS RAM
P4C1258-15PI 制造商:PYRAMID 制造商全称:Pyramid Semiconductor Corporation 功能描述:ULTRA HIGH SPEED 64K x 4 STATIC CMOS RAM
P4C1258-20CC 制造商:未知厂家 制造商全称:未知厂家 功能描述:x4 SRAM
P4C1258-20JC 制造商:PYRAMID 制造商全称:Pyramid Semiconductor Corporation 功能描述:ULTRA HIGH SPEED 64K x 4 STATIC CMOS RAM