參數(shù)資料
型號(hào): X88C75 SLIC
英文描述: Port Expander and EE Memory(雙面,可同時(shí)讀寫(xiě),與通用8051系列直接接口,微控制器外圍芯片)
中文描述: 端口擴(kuò)展和EE內(nèi)存(雙面,可同時(shí)讀寫(xiě),與通用8051系列直接接口,微控制器外圍芯片)
文件頁(yè)數(shù): 17/28頁(yè)
文件大?。?/td> 240K
代理商: X88C75 SLIC
X88C75 SLIC
E
2
17
Note:
(5)
This parameter is periodically sampled and not 100% tested.
PSEN
Controlled Read Timing Diagram
PSEN
Controlled Read Cycle
Symbol
Parameter
Min.
Max.
Units
t
LHLL
t
AVLL
t
LLAX
t
PLDV
t
PHDX
t
ELLL
PW
PL
t
PS
t
PH
t
PHDZ
(5)
t
PLDX
(5)
ALE Pulse Width
Address Setup Time
Address Hold Time
PSEN
Read Access Time
Data Hold Time
Chip Enable Setup Time
PSEN
Pulse Width
PSEN
Setup Time
PSEN
Hold Time
PSEN
Disable to Output in High Z
PSEN
to Output in Low Z
80
20
30
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
2887 PGM T10
120
0
7
150
30
20
50
10
EQUIVALENT A.C. TEST CIRCUIT
A.C. CONDITIONS OF TEST
Input Pulse Levels
Input Rise and Fall Times
Input and Output Timing Levels
0V to 3V
10ns
1.5V
2887 PGM T09.1
A.C. CHARACTERISTICS
(Over the recommended operating conditions unless otherwise specified.)
ALE
A/D0–A/D7
A8–A12
PSEN
AIN
tPLDV
DOUT
2887 ILL F23
tPH
tPH
tLHLL
tAVLL
tLLAX
tPS
PWPL
ADDRESS
CE
tPLDX
tPHDZ
tPHDX
tELLL
2887 ILL F22.2
5V
1.92K
100pF
OUTPUT
1.37K
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