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參數(shù)資料
型號(hào): W971632AF
廠商: WINBOND ELECTRONICS CORP
英文描述: 256K x 32 bit x 2 Banks SGRAM(256K x 32位 x 2組同步圖形RAM)
中文描述: 256K × 32位× 2銀行SGRAM(256K × 32位× 2組同步圖形RAM)的
文件頁(yè)數(shù): 7/55頁(yè)
文件大小: 2653K
代理商: W971632AF
W971632AF
256K x 32 bit x 2 Banks SGRAM
Revision 1.0 Publication Release Date: March, 1999
- 7 -
DC CHARACTERISTICS (V
CC
= 3.3V
±
0.3V, Ta=0
°
~70
°
C)
-7
-8
-10
ITEMS
SYMBOL
MIN.
MAX
MIN.
MAX
MIN.
MAX
UNIT
NOTES
OPERATING CURRENT
t
CK
min, t
RC
min I
OL
=0mA
Active One bank, Precharge
command cycling without
Burst operation
STANDBY CURRENT
t
CK
=15ns
V
IH/L
=V
IH(min)
/V
IL(max)
Bank : inactive state
STANDBY CURRENT
t
CK
=
, CLK
V
IL
,
V
IH/L
=V
IH
(min)/V
IL
(max)
BANK : inactive state
1 bank operation
I
CC1
165
135
115
3
CKE
V
IH
, CS#
V
IH,
I
CC2N
65
55
50
3
CKE
V
IL
(Power Down
mode)
I
CC2P
2
2
2
3
CKE
V
IH
I
CC2NS
15
15
15
CKE
V
IL
(Power Down
mode)
I
CC2PS
2
2
2
mA
CKE
V
IH
, CS#
V
IH,
I
CC3N
70
60
55
NO OPERATING CURRENT
t
CK
=15ns
Bank : active state (1 bank)
CKE
V
IL
(Power Down
mode)
I
CC3P
4
4
4
CKE
V
IH
I
CC3NS
15
15
15
NO OPERATING CURRENT
t
CK
=
, CLK
V
IL
,
Bank : active state (1 bank)
CKE
V
IL
(Power Down
mode)
I
CC3PS
2
2
2
BURST OPERATING CURRENT
t
CK
=min, I
OL
=0mA, CL=3
All bank active
Read / Write command cycling
AUTO REFRESH CURRENT
t
CCD
=min
Auto Refresh command cycling
SELF REFRESH CURRENT
Self Refresh mode
CKE
0.2V
OPERATING CURRENT
t
CK
min, I
OL
=0mA, t
BWL
(min)
I
CC4
170
160
150
3,4
I
CC5
130
120
110
3
I
CC6
1
1
1
I
CC7
90
90
70
ITEM
SYMBOL
MIN.
MAX.
UNIT
NOTES
INPUT LEAKAGE CURRENT
( 0V
V
IN
V
CC
, all other pins not under test = 0V )
OUTPUT LEAKAGE CURRENT
( Output disable, 0V
V
OUT
V
CC
Q )
LVTTL OUTPUT
H
LEVEL VOLTAGE
( I
OUT
= -2mA )
LVTTL OUTPUT
L
LEVEL VOLTAGE
( I
OUT
= 2mA )
I
IL
-5
5
μ
A
I
OL
-5
5
μ
A
V
OH
2.4
-
V
V
OL
-
0.4
V
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