MS81V04160-25TB
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Manufacturer Part#:

MS81V04160-25TB

Product Category: IC Chips
Manufacturer: OKI
Description:
  datasheetMS81V04160-25TB Datasheet
Package: QFP
Quantity: 1080 PCS
Lead Free Status / RoHS Status: Lead free / RoHS Compliant
Moisture Sensitivity Level(MSL): 3(168 Hours)
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Manufacturer: OKI
Product Category: IC Chips
Features, Applications

The is a single-chip 4Mb FIFO functionally composed of two Oki's 2Mb FIFO (First-In First-Out) memories which were designed for × 8-bit high-speed asynchronous read/write operation. The read clock of each of the 2Mb FIFO memories is connected in common, and the clocks are provided independently of each of the FIFO memories. The MS81V04166A functionally compatible with Oki's 2Mb FIFO memory (MSM51V8222A), can be used a ×16 configuration FIFO. The is a field memory for wide or low end use in general commodity TVs and VTRs exclusively and is not designed for high end use in professional graphics systems, which require long term picture storage, data storage, medical use and other storage systems. The MS81V04166A provides independent control clocks to support asynchronous read and write operations. Different clock rates are also supported, which allow alternate data rates between write and read data streams. The MS81V04166A provides high speed FIFO (First-in First-out) operation without external refreshing: MS81V04166A refreshes its DRAM storage cells automatically, so that it appears fully static to the users. Moreover, fully static type memory cells and decoders for serial access enable the refresh free serial access operation, so that serial read and/or write control clock can be halted high or low for any duration as long as the power is on. Internal conflicts of memory access and refreshing operations are prevented by special arbitration logic. The MS81V04166A's function is simple, and similar to a digital delay device whose delay-bit-length is easily set by reset timing. The delay length and the number of read delay clocks between write and read, is determined by externally controlled write and read reset timings. Additional SRAM serial registers, or line buffers for the initial access × 16-bit enable high speed first-bit-access with no clock delay just after the write or read reset timings. The MS81V04166A, which is provided with two sets of the serial write clocks, allows the split-screen processing to be implemented easily. Additionally, the MS81V04166A has a write mask function or input enable function (IE), and read-data skipping function or output enable function (OE). The differences between write enable (WE) and input enable (IE), and between read enable (RE) and output enable (OE) are that WE and RE can stop serial write/read address increments, but IE and OE cannot stop the increment, when write/read clocking is continuously applied to the MS81V04166A. The input enable (IE) function allows the user to write into selected locations of the memory only, leaving the rest of the memory contents unchanged. This facilitates data processing to display a "picture in picture" a TV screen.


FEATURES

262,214 words × 8 bits × 2 Fast FIFO (First-In First-Out) Operation: 25 ns cycle time Self refresh (No refresh control is required) High speed asynchronous serial access Read/Write Cycle Time ns/25 ns Access Time ns/23 ns Variable length delay bit to 262214) Write mask function (Output enable control) Cascading capability by mode setting Single power supply: ± 0.3V Package: 100-Pin plastic TQFP (TQFP 100-P-1414-0.50-k) (Product: MS81V04166A-xxTB) xx indicates speed rank.


Parameter Access Time Read/Write Cycle Time Operation current Standby current

Function Port1 Serial Write clock Port2 Serial Write clock Port1 Write Enable Port1 Read Enable Port1 Input Enable Port1 Output Enable Port1 Reset Write Port1 Reset Read Port1 Data Input Port1 Data Output Mode Input Power Supply (3.3 V)


Function Serial Read Clock Port2 Write Enable Port2 Read Enable Port2 Input Enable Port2 Output Enable Port2 Reset Write Port2 Reset Read Port2 Data Input Port2 Data Output No Connection Ground (0 V)


The same power supply voltage must be provided to every VCC pin, and the same GND voltage level must be provided to every VSS pin.

Search Part number : "MS81V" Included word is 13
Part Number Manufacturer Package Quantity Description
MS81V26000-12TBZ03A OKI QFP 3396
MS81V32320-66TBZ03A OKI TQFP 1080
MS81V03120-12 OKI TSOP70 2260
MS81V03120-12TAZ03B OKI TSOP70 867
MS81V04160-25TBZ010 O-NEW 751
MS81V04160A25TB OKI QFPZ 114
MS81V04160A-25TB OKI QFP 2560
MS81V04160A-25TBZ03A OKI QFP 3784
MS81V0416-25TB OKI QFP 635
MS81V04166-30TB OKI TQFP 7170
MS81V06160-12TA OKI TSOP70 757
MS81V10160-12TAZ03A OKI TSOP 530
MS81V26000-12TBZ03 OKI QFP 1016
MS81V04160-25TB RELATED PRODUCT PICTURE
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  • MS81V26000-12TBZ03A
  • MS81V32320-66TBZ03A
  • MS81V03120-12
  • MS81V03120-12TAZ03B
  • MS81V04160-25TBZ010
  • MS81V04160A25TB
  • MS81V04160A-25TB
  • MS81V04160A-25TBZ03A
  • MS81V0416-25TB
  • MS81V04166-30TB
  • MS81V06160-12TA
  • MS81V10160-12TAZ03A
  • MS81V26000-12TBZ03
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