参数资料
型号: P4C168L-35FSM
厂商: PYRAMID SEMICONDUCTOR CORP
元件分类: SRAM
英文描述: 4K X 4 STANDARD SRAM, 35 ns, PDFP20
封装: DFP-20
文件页数: 9/14页
文件大小: 628K
代理商: P4C168L-35FSM
P4C168/P4C168L, P4C169, P4C170
Page 4 of 14
Document # SRAM107 REV E
TIMING WAVEFORM OF READ CYCLE NO. 1 (ADDRESS CONTROLLED)(5,6)
Notes:
5. WE is HIGH for READ cycle.
6. CE/CS and OE are LOW for READ cycle.
§ P4C168 only
P4C170 only
Chip Select/Deselect for P4C169 and P4C170
AC CHARACTERISTICS—READ CYCLE (CONTINUED)
(V
CC = 5V ± 10%, All Temperature Ranges)
(2)
Sym Parameter
-45
-55
-70
Unit
Min Max Min Max Min Max
t
RC
Read Cycle Time
45
55
70
ns
t
AA
Address Access Time
45
55
70
ns
t
AC
§
Chip Enable Access Time
45
55
70
ns
t
AC
Chip Select Access Time
25
30
35
ns
t
OH
Output Hold from Address Change
2
ns
t
LZ
Chip Enable to Output in Low Z
2
ns
t
HZ
Chip Disable to Output in High Z
25
30
ns
t
OE
Output Enable to Data Valid
20
25
30
ns
t
OLZ
Output Enable to Output in Low Z
0
ns
t
OHZ
Output Disable to Output in High Z
20
25
30
ns
t
RCS
Read Command Setup Time
0
ns
t
RCH
Read Command Hold Time
0
ns
t
PU
§
Chip Enable to Power Up Time
0
ns
t
PD
§
Chip Disable to Power Down Time
45
55
70
ns
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