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| 型号： | IDT71V67903S85PFG8 |
| 厂商： | IDT, Integrated Device Technology Inc |
| 文件页数： | 2/23页 |
| 文件大小： | 0K |
| 描述： | IC SRAM 9MBIT 85NS 100TQFP |
| 标准包装： | 1,000 |
| 格式 - 存储器： | RAM |
| 存储器类型： | SRAM - 同步 |
| 存储容量： | 9M（512K 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： | 71V67903S85PFG8 |
IDT71V67703, IDT71V67903, 256K x 36, 512K x 18, 3.3V Synchronous SRAMS with
3.3V I/O, Flow-Through Outputs, Single Cycle Deselect Commercial and Industrial Temperature Ranges
Pin Definitions (1)
Symbol
A 0 -A 18
ADSC
Pin Function
Address Inputs
Address Status
I/O
I
I
Active
N/A
LOW
Description
Synchronous Address inputs. The address register is triggered by a combi-nation of the
rising edge of CLK and ADSC Low or ADSP Low and CE Low.
Synchronous Address Status from Cache Controller. ADSC is an active LOW input that is
(Cache Controller)
used to load the address registers with new addresses.
ADSP
ADV
Address Status
(Processor)
Burst Address
I
I
LOW
LOW
Synchronous Address Status from Processor. ADSP is an active LOW input that is used to
load the address registers with new addresses. ADSP is gated by CE .
Synchronous Address Advance. ADV is an active LOW input that is used to advance the
Advance
internal burst counter, controlling burst access after the initial address is loaded. When the
input is HIGH the burst counter is not incremented; that is, there is no address advance.
BWE
BW 1 - BW 4
Byte Write Enable
Individual Byte
I
I
LOW
LOW
Synchronous byte write enable gates the byte write inputs BW 1 - BW 4 . If BWE is LOW at the
rising edge of CLK then BW x inputs are passed to the next stage in the circuit. If BWE is
HIGH then the byte write inputs are blocked and only GW can initiate a write cycle.
Synchronous byte write enables. BW 1 controls I/O 0-7 , I/O P1 , BW 2 controls I/O 8-15 , I/O P2 , etc.
Write Enables
Any active byte write causes all outputs to be disabled.
CE
CLK
Chip Enable
Clock
I
I
LOW
N/A
Synchronous chip enable. CE is used with CS 0 and CS 1 to enable the IDT71V67703/7903.
CE also gates ADSP .
This is the clock input. All timing references for the device are made with respect to this
input.
CS 0
CS 1
GW
I/O 0 -I/O 31
Chip Select 0
Chip Select 1
Global Write
Enable
Data Input/Output
I
I
I
I/O
HIGH
LOW
LOW
N/A
Synchronous active HIGH chip select. CS 0 is used with CE and CS 1 to enable the chip.
Synchrono us active LOW chip select. CS 1 is used with CE and CS 0 to enable the chip.
Synchronous global write enable. This input will write all four 9-bit data bytes when LOW
on the rising edge of CLK. GW supersedes individual byte write enables.
Synchronous data input/output (I/O) pins. The data input path is registered, triggered by
I/O P1 -I/O P4
the rising edge of CLK. The data output path is flow-through (no output register).
LBO
Linear Burst Order
I
LOW
Asynchronous burst order selection input. When LBO is HIGH, the inter-leaved burst
sequence is selected. When LBO is LOW the Linear burst sequence is selected. LBO is a
static input and must not change state while the device is operating.
OE
Output Enable
I
LOW
Asynchronous output enable. When OE is LOW the data output drivers are enabled on the
I/O pins if the chip is also selected. When OE is HIGH the I/O pins are in a high-
impedance state.
V DD
V DDQ
V SS
NC
ZZ
Power Supply
Power Supply
Ground
No Connect
Sleep Mode
N/A
N/A
N/A
N/A
1
N/A
N/A
N/A
N/A
HIGH
3.3V core power supply.
3.3V I/O Supply.
Ground.
NC pins are not electrically connected to the device.
Asynchronous sleep mode input. ZZ HIGH will gate the CLK internally and power down
the IDT71V67703/7903 to its lowest power consumption level. Data retention is guaranteed
in Sleep Mode.
NOTE:
1. All synchronous inputs must meet specified setup and hold times with respect to CLK.
6.42
5309 tbl 02
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| IDT71V67903S85PFGI | 功能描述:IC SRAM 9MBIT 85NS 100TQFP RoHS:是 类别:集成电路 (IC) >> 存储器 系列:- 标准包装:45 系列:- 格式 - 存储器:RAM 存储器类型:SRAM - 双端口，异步 存储容量:128K（8K x 16） 速度:15ns 接口:并联 电源电压:3 V ~ 3.6 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:托盘 其它名称:70V25S15PF |
| IDT71V67903S85PFGI8 | 功能描述:IC SRAM 9MBIT 85NS 100TQFP RoHS:是 类别:集成电路 (IC) >> 存储器 系列:- 标准包装:72 系列:- 格式 - 存储器:RAM 存储器类型:SRAM - 同步 存储容量:9M（256K x 36） 速度:75ns 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:托盘 其它名称:71V67703S75PFGI |
| IDT71V67903S85PFI | 功能描述:IC SRAM 9MBIT 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 |
| IDT71V67903S85PFI8 | 功能描述:IC SRAM 9MBIT 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 |
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