m66257fp Renesas Electronics Corporation., m66257fp Datasheet - Page 5

• Manufacturer Part Number: m66257fp
• Description: 5120 ? 8-bit ? 2 Line Memory Fifo
• Manufacturer: Renesas Electronics Corporation.

M66257FP
Switching Characteristics
Access time
Output hold time
Output enable time
Output disable time
Timing Conditions
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 to WCK
Input data hold time to WCK
Reset setup time to WCK or RCK
Reset hold time to WCK or RCK
Reset nonselect setup time to WCK or RCK
Reset nonselect hold time to WCK or RCK
WE setup time to WCK
WE hold time to WCK
WE nonselect setup time to WCK
WE nonselect hold time to WCK
RE setup time to RCK
RE hold time to RCK
RE nonselect setup time to RCK
RE nonselect hold time to RCK
Input pulse rise/fall time
Data hold time*
Notes: Reset the IC after power is turned on.
REJ03F0251-0200 Rev.2.00 Sep 14, 2007
Page 5 of 12
*
For 1-line access, the following should be satisfied:
WE "H" level period < 20 ms − 5120 t
RE "H" level period < 20 ms − 5120 t
Item
Item
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
tr, tf
t
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
(Ta = 0 to 70°C, V
Symbol
(Ta = 0 to 70°C, V
Symbol
RCK
WCK
− RRES "L" level period
− WRES "L" level period
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
CC
CC
= 5 V ± 10%, GND = 0 V, unless otherwise noted)
= 5 V ± 10%, GND = 0 V, unless otherwise noted)
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