参数资料
型号: IDT71V3559S85PFG8
厂商: IDT, Integrated Device Technology Inc
文件页数: 9/28页
文件大小: 0K
描述: IC SRAM 4MBIT 85NS 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: 85ns
接口: 并联
电源电压: 3.135 V ~ 3.465 V
工作温度: 0°C ~ 70°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: 71V3559S85PFG8
IDT71V3557, IDT71V3559, 128K x 36, 256K x 18, 3.3V Synchronous SRAMs with
ZBT? Feature, 3.3V I/O, Burst Counter, and Flow-Through Outputs Commercial and Industrial Temperature Ranges
Synchronous Truth Table (1)
CEN
L
L
L
R/ W
L
H
X
CE 1 ,
CE 2 (5)
L
L
X
ADV/ LD
L
L
H
BW x
Valid
X
Valid
ADDRESS
USED
External
External
Internal
PREVIOUS CYCLE
X
X
LOAD WRITE /
CURRENT CYCLE
LOAD WRITE
LOAD READ
BURST WRITE
I/O
(One cycle later)
D (7)
Q (7)
D (7)
BURST WRITE
(Advance burst counter) (2)
L
X
X
H
X
Internal
LOAD READ /
BURST READ
Q (7)
BURST READ
(Advance burst counter) (2)
SUSPEND
L
L
H
X
X
X
H
X
X
L
H
X
X
X
X
X
X
X
X
DESELECT / NOOP
X
DESELECT or STOP (3)
NOOP
(4)
HIZ
HIZ
Previous Value
5282 tbl 08
NOTES:
1. L = V IL , H = V IH , X = Don’t Care.
2. When ADV/ LD signal is sampled high, the internal burst counter is incremented. The R/ W signal is ignored when the counter is advanced. Therefore the nature of
the burst cycle (Read or Write) is determined by the status of the R/ W signal when the first address is loaded at the beginning of the burst cycle.
3. Deselect cycle is initiated when either ( CE 1 , or CE 2 is sampled high or CE 2 is sampled low) and ADV/ LD is sampled low at rising edge of clock. The data bus will
tri-state one cycle after deselect is initiated.
4. When CEN is sampled high at the rising edge of clock, that clock edge is blocked from propogating through the part. The state of all the internal registers and the I/
Os remains unchanged.
5. To select the chip requires CE 1 = L, CE 2 = L and CE 2 = H on these chip enable pins. The chip is deselected if any one of the chip enables is false.
6. Device Outputs are ensured to be in High-Z during device power-up.
7. Q - data read from the device, D - data written to the device.
Partial Truth Table for Writes
(1)
WRITE BYTE 2 (I/O[8:15], I/O P2 )
WRITE BYTE 3 (I/O[16:23], I/O P3 )
OPERATION
READ
WRITE ALL BYTES
WRITE BYTE 1 (I/O[0:7], I/O P1 ) (2)
(2)
(2,3)
WRITE BYTE 4 (I/O[24:31], I/O P4 ) (2,3)
NO WRITE
R/ W
H
L
L
L
L
L
L
BW 1
X
L
L
H
H
H
H
BW 2
X
L
H
L
H
H
H
BW 3 (3)
X
L
H
H
L
H
H
BW 4 (3)
X
L
H
H
H
L
H
5282 tbl 09
NOTES:
1. L = V IL , H = V IH , X = Don’t Care.
2. Multiple bytes may be selected during the same cycle.
3. N/A for x18 configuration.
Interleaved Burst Sequence Table ( LBO =V DD )
Sequence 1
Sequence 2
Sequence 3
Sequence 4
A1
A0
A1
A0
A1
A0
A1
A0
First Address
Second Address
Third Address
Fourth Address (1)
0
0
1
1
0
1
0
1
0
0
1
1
1
0
1
0
1
1
0
0
0
1
0
1
1
1
0
0
1
0
1
0
NOTE:
1. Upon completion of the Burst sequence the counter wraps around to its initial state and continues counting.
9
6.42
5282 tbl 10
相关PDF资料
PDF描述
IDT71V3559S80PFG8 IC SRAM 4MBIT 80NS 100TQFP
IDT71V35761S200PFG8 IC SRAM 4MBIT 200MHZ 100TQFP
IDT71V35761S183PFG8 IC SRAM 4MBIT 183MHZ 100TQFP
XC6VLX760-L1FFG1760I IC FPGA VIRTEX 6 758K 1760FFGBGA
IDT71V35761S166PFG8 IC SRAM 4MBIT 166MHZ 100TQFP
相关代理商/技术参数
参数描述
IDT71V3559S85PFI 功能描述:IC SRAM 4MBIT 85NS 100TQFP RoHS:否 类别:集成电路 (IC) >> 存储器 系列:- 标准包装:576 系列:- 格式 - 存储器:闪存 存储器类型:闪存 - NAND 存储容量:512M(64M x 8) 速度:- 接口:并联 电源电压:2.7 V ~ 3.6 V 工作温度:-40°C ~ 85°C 封装/外壳:48-TFSOP(0.724",18.40mm 宽) 供应商设备封装:48-TSOP 包装:托盘 其它名称:497-5040
IDT71V3559S85PFI8 功能描述:IC SRAM 4MBIT 85NS 100TQFP RoHS:否 类别:集成电路 (IC) >> 存储器 系列:- 标准包装:576 系列:- 格式 - 存储器:闪存 存储器类型:闪存 - NAND 存储容量:512M(64M x 8) 速度:- 接口:并联 电源电压:2.7 V ~ 3.6 V 工作温度:-40°C ~ 85°C 封装/外壳:48-TFSOP(0.724",18.40mm 宽) 供应商设备封装:48-TSOP 包装:托盘 其它名称:497-5040
IDT71V3559SA75BG 功能描述:IC SRAM 4MBIT 75NS 119BGA RoHS:否 类别:集成电路 (IC) >> 存储器 系列:- 标准包装:576 系列:- 格式 - 存储器:闪存 存储器类型:闪存 - NAND 存储容量:512M(64M x 8) 速度:- 接口:并联 电源电压:2.7 V ~ 3.6 V 工作温度:-40°C ~ 85°C 封装/外壳:48-TFSOP(0.724",18.40mm 宽) 供应商设备封装:48-TSOP 包装:托盘 其它名称:497-5040
IDT71V3559SA75BG8 功能描述:IC SRAM 4MBIT 75NS 119BGA RoHS:否 类别:集成电路 (IC) >> 存储器 系列:- 标准包装:576 系列:- 格式 - 存储器:闪存 存储器类型:闪存 - NAND 存储容量:512M(64M x 8) 速度:- 接口:并联 电源电压:2.7 V ~ 3.6 V 工作温度:-40°C ~ 85°C 封装/外壳:48-TFSOP(0.724",18.40mm 宽) 供应商设备封装:48-TSOP 包装:托盘 其它名称:497-5040
IDT71V3559SA75BQ 功能描述:IC SRAM 4MBIT 75NS 165FBGA RoHS:否 类别:集成电路 (IC) >> 存储器 系列:- 标准包装:576 系列:- 格式 - 存储器:闪存 存储器类型:闪存 - NAND 存储容量:512M(64M x 8) 速度:- 接口:并联 电源电压:2.7 V ~ 3.6 V 工作温度:-40°C ~ 85°C 封装/外壳:48-TFSOP(0.724",18.40mm 宽) 供应商设备封装:48-TSOP 包装:托盘 其它名称:497-5040