m66281fp Renesas Electronics Corporation., m66281fp Datasheet - Page 5

• Manufacturer Part Number: m66281fp
• Description: 5120 ? 8-bit ? 2 Line Memory
• Manufacturer: Renesas Electronics Corporation.

M66281FP
Switching Characteristics
Access time
Output hold time
Output enable time
Output disable time
Timing Requirements
Write clock (WCK) cycle
Write clock (WCK) "H" pulse width
Write clock (WCK) "L" pulse width
Read clock (RCK) cycle
Read clock (RCK) "H" pulse width
Read clock (RCK) "L" pulse width
Input data setup time for WCK
Input data hold time for WCK
Reset setup time for WCK/RCK
Reset hold time for WCK/RCK
Reset non-selection setup time for WCK/RCK
Reset non-selection hold time for WCK/RCK
WEB setup time for WCK
WEB hold time for WCK
WEB non-selection setup time for WCK
WEB non-selection hold time for WCK
REB setup time for RCK
REB hold time for RCK
REB non-selection setup time for RCK
REB non-selection hold time for RCK
Input pulse up/down time
Data hold time*
Notes: Perform reset operation after turning on power supply.
REJ03F0254-0200 Rev.2.00 Sep 14, 2007
Page 5 of 15
*
For 1 line access, the following conditions must be satisfied:
WEB high-level period ≤ 20 ms − 5120 • t
REB high-level period ≤ 20 ms − 5120 • t
Item
Item
(Ta = 0 to 70°C, V
(Ta = 0 to 70°C, V
t
t
t
t
t
tr, tf
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
RCK
AC
OH
OEN
ODIS
WCK
WCKH
WCKL
RCK
RCKH
RCKL
DS
DH
RESS
RESH
NRESS
NRESH
WES
WEH
NWES
NWEH
RES
REH
NRES
NREH
H
WCK
Symbol
Symbol
− RRESB low-level period
− WRESB low-level period
CC
CC
= 2.7 to 3.6 V, GND = 0 V, unless otherwise noted)
= 2.7 to 3.6 V, GND = 0 V, unless otherwise noted)
Min
Min

25
11
11
25
11
11


3
3
3
7
3
7
3
7
3
7
3
7
3
7
3
7
3
Typ
Typ


























Max
Max
18

18
18




















20
20
Unit
Unit
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