参数资料
型号: IDT71V3558S166PFGI8
厂商: IDT, Integrated Device Technology Inc
文件页数: 12/28页
文件大小: 0K
描述: IC SRAM 4MBIT 166MHZ 100TQFP
标准包装: 1,000
格式 - 存储器: RAM
存储器类型: SRAM - 同步 ZBT
存储容量: 4.5M(256K x 18)
速度: 166MHz
接口: 并联
电源电压: 3.135 V ~ 3.465 V
工作温度: -40°C ~ 85°C
封装/外壳: 100-LQFP
供应商设备封装: 100-TQFP(14x14)
包装: 带卷 (TR)
其它名称: 71V3558S166PFGI8
IDT71V3556, IDT71V3558, 128K x 36, 256K x 18, 3.3V Synchronous SRAMS with
ZBT ? Feature, 3.3V I/O, Burst Counter, and Pipelined Outputs
Commercial and Industrial Temperature Ranges
Burst Read Operation
(1)
Cycle
n
n+1
n+2
n+3
n+4
n+5
n+6
n+7
n+8
Address
A 0
X
X
X
X
A 1
X
X
A 2
R/ W
H
X
X
X
X
H
X
X
H
ADV/ LD
L
H
H
H
H
L
H
H
L
CE (2)
L
X
X
X
X
L
X
X
L
CEN
L
L
L
L
L
L
L
L
L
BW x
X
X
X
X
X
X
X
X
X
OE
X
X
L
L
L
L
L
L
L
I/O
X
X
Q 0
Q 0+1
Q 0+2
Q 0+3
Q 0
Q 1
Q 1+1
Comments
Address and Control meet setup
Clock Setup Valid, Advance Counter
Address A 0 Read Out, Inc. Count
Address A 0+1 Read Out, Inc. Count
Address A 0+2 Read Out, Inc. Count
Address A 0+3 Read Out, Load A 1
Address A 0 Read Out, Inc. Count
Address A 1 Read Out, Inc. Count
Address A 1+1 Read Out, Load A 2
NOTES:
1. H = High; L = Low; X = Don’t Care; Z = High Impedance..
2. CE = L is defined as CE 1 = L, CE 2 = L and CE 2 = H. CE = H is defined as CE 1 = H, CE 2 = H or CE 2 = L.
5281 tbl 14
Write Operation
(1)
Cycle
n
n+1
n+2
Address
A 0
X
X
R/ W
L
X
X
ADV/ LD
L
X
X
CE (2)
L
X
X
CEN
L
L
L
BW x
L
X
X
OE
X
X
X
I/O
X
X
D 0
Comments
Address and Control meet setup
Clock Setup Valid
Write to Address A 0
NOTES:
1. H = High; L = Low; X = Don’t Care; Z = High Impedance.
2. CE = L is defined as CE 1 = L, CE 2 = L and CE 2 = H. CE = H is defined as CE 1 = H, CE 2 = H or CE 2 = L.
5281 tbl 15
Burst Write Operation
(1)
Cycle
n
n+1
n+2
n+3
n+4
n+5
n+6
n+7
n+8
Address
A 0
X
X
X
X
A1
X
X
A 2
R/ W
L
X
X
X
X
L
X
X
L
ADV/ LD
L
H
H
H
H
L
H
H
L
CE (2)
L
X
X
X
X
L
X
X
L
CEN
L
L
L
L
L
L
L
L
L
BW x
L
L
L
L
L
L
L
L
L
OE
X
X
X
X
X
X
X
X
X
I/O
X
X
D 0
D 0+1
D 0+2
D 0+3
D 0
D 1
D 1+1
Comments
Address and Control meet setup
Clock Setup Valid, Inc. Count
Address A 0 Write, Inc. Count
Address A 0+1 Write, Inc. Count
Address A 0+2 Write, Inc. Count
Address A 0+3 Write, Load A 1
Address A 0 Write, Inc. Count
Address A 1 Write, Inc. Count
Address A 1+1 Write, Load A 2
NOTES:
1. H = High; L = Low; X = Don’t Care; ? = Don’t Know; Z = High Impedance.
2. CE = L is defined as CE 1 = L, CE 2 = L and CE 2 = H. CE = H is defined as CE 1 = H, CE 2 = H or CE 2 = L.
12
6.42
5281 tbl 16
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