D485505G NEC [NEC], D485505G Datasheet - Page 8

• Manufacturer Part Number: D485505G
• Description: LINE BUFFER 5K-WORD BY 8-BIT
• Manufacturer: NEC [NEC]

AC Characteristics (Recommended Operating Conditions unless otherwise noted)
8
Write clock cycle time
Write clock pulse width
Write clock precharge time
Read clock cycle time
Read clock pulse width
Read clock precharge time
Access time
Write data-read delay time
Output hold time
Output low-impedance time
Output high-impedance time
Input data setup time
Input data hold time
RSTW/RSTR Setup time
RSTW/RSTR Hold time
RSTW/RSTR Deselected time (1)
RSTW/RSTR Deselected time (2)
WE Setup time
WE Hold time
WE Deselected time (1)
WE Deselected time (2)
RE Setup time
RE Hold time
RE Deselected time (1)
RE Deselected time (2)
WE Disable time
RE Disable time
Write reset time
Read reset time
Transition time
Parameter
Data Sheet M10059EJ7V0DS00
Symbol
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
WCK
WCW
WCP
RCK
RCW
RCP
AC
WAR
OH
LZ
HZ
DS
DH
RS
RH
RN1
RN2
WES
WEH
WEN1
WEN2
RES
REH
REN1
REN2
WEW
REW
RSTW
RSTR
T
MIN.
470
PD485505-25
25
11
11
25
11
11
5
5
5
7
3
7
3
3
7
7
3
3
7
7
3
3
7
0
0
0
0
3
MAX.
18
18
18
35
MIN.
470
PD485505-35
35
12
12
35
12
12
10
10
10
10
10
10
10
5
5
5
3
3
3
3
3
3
3
0
0
0
0
3
Notes 1, 2, 3
MAX.
25
25
25
35
Unit
ms
ms
ms
ms
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
PD485505
Notes
10
10
4
4
5
5
6
6
7
7
8
8
9
9