參數(shù)資料
型號： KM4216C258
廠商： SAMSUNG SEMICONDUCTOR CO. LTD.
英文描述： 256K x 16 Bit CMOS Video RAM(256K x 16 位 CMOS視頻RAM)
中文描述： 256K × 16位的CMOS視頻RAM（256K × 16位的CMOS視頻內(nèi)存）
文件頁數(shù)： 6/41頁
文件大?。?/td> 772K
代理商： KM4216C258
KM4216C258
CMOS VIDEO RAM
Rev. 0.1 (Mar. 1998)
DC AND OPERATING CHARACTERISTICS
(Recommended operating conditions unless otherwise noted )
Note *1. Real values dependent on output loading and cycle rates. Specified values are obtained with the output open.
Icc is specified as average current.
In I
CC1
, I
CC3
, I
CC6
, I
CC7
, I
CC8
, address transition should be changed only once while RAS = V
IL
In I
CC4
, Address transition should be changed only once while CAS = V
IH
*2. SAM standby condition : SE
≥
V
IH
, SC
≤
V
IL
or
≥
V
IH
Parameter (RAM Port)
SAM port
Symbol
KM4216C258
Unit
-5
-6
-7
Operating Current*
1
(RAS and CAS Cycling @
t
RC
=min)
Standby *
2
I
CC1
130
120
110
mA
Active
I
CC1
A
170
160
145
mA
Standby Current
(RAS, CAS, DT/OE, WB/WE = V
IH
, DSF=V
IL
)
Standby *
2
I
CC2
10
10
10
mA
Active
I
CC2
A
55
50
45
mA
RAS Only Refresh Current *
1
(CAS = V
IH,
RAS Cycling @
t
RC
=min)
Standby *
2
I
CC3
130
120
110
mA
Active
I
CC3
A
170
160
145
mA
Extended Fast Page Mode Current *
1
(RAS = V
IL,
CAS Cycling @
t
PC
=min)
Standby *
2
I
CC4
130
120
110
mA
Active
I
CC4
A
170
160
145
mA
CAS- Before-RAS Refresh Current *
1
(RAS and CAS Cycling @
t
RC
=min)
Standby *
2
I
CC5
130
120
110
mA
Active
I
CC5
A
170
160
145
mA
Data Transfer Current *
1
(RAS and CAS Cycling @
t
RC
=min)
Standby *
2
I
CC6
160
140
130
mA
Active
I
CC6
A
190
180
165
mA
Block Write Cycle Current *
1
(RAS and CAS Cycling @
t
RC
=min)
Standby *
2
I
CC7
130
120
110
mA
Active
I
CC7
A
170
160
145
mA
Color Register Load Current *
1
(RAS and CAS Cycling @
t
RC
=min)
Standby *
2
I
CC8
120
110
90
mA
Active
I
CC8
A
170
140
125
mA
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