參數(shù)資料
型號(hào): MSM548128BL-70GS-K
廠商: OKI ELECTRIC INDUSTRY CO LTD
元件分類: SRAM
英文描述: 128K X 8 PSEUDO STATIC RAM, 70 ns, PDSO32
封裝: 0.525 INCH, 1.27 MM PITCH, PLASTIC, SOP-32
文件頁(yè)數(shù): 1/12頁(yè)
文件大?。?/td> 182K
代理商: MSM548128BL-70GS-K
Semiconductor
MSM548128BL
1/12
Semiconductor
MSM548128BL
131,072-Word
8-Bit High-Speed PSRAM
DESCRIPTION
The MSM548128BL is a 1-Mbit, high-speed and low power CMOS Pseudo Static RAM organized
as 131,072-word 8-bit.
The MSM548128BL is fabricated using silicon gate N well CMOS process. This process, coupled
with single-transistor memory storage cells, permits maximum circuit density, minimum chip
size, and high speed.
MSM548128BL has Self-refresh mode in addition to Address-refresh mode and Auto-refresh
mode. In Self-refresh mode the internal refresh timer and address counter refresh the dynamic
memory cells automatically. This series allows low power consumption when using standby
mode with Self-refresh.
The MSM548128BL also features a static RAM-like write function that writes the data into the
memory cell at the rising edge of WE.
The MSM548128BL is pin compatible with CMOS static RAM and 256K pseudo static RAM.
FEATURES
Large capacity
: 1-Mbit (131,072-word 8 bits)
Fast access time
: 70 ns max.
Low power
: 200
A max. (standby with Self-refresh)
Refresh free
: Self refresh
Pin compatible
: SRAM, 256K PSRAM
Logic compatible
: SRAM WE pin, no address multiplex
Single power supply
: 5 V
±10%
Refresh
: 512 cycle/8 ms auto-address refresh
Package compatible
: SRAM standard package
Package options:
32-pin 600 mil plastic DIP
(DIP32-P-600-2.54)
(Product : MSM548128BL-xxRS)
32-pin 525 mil plastic SOP
(SOP32-P-525-1.27-K) (Product : MSM548128BL-xxGS-K)
xx indicates speed rank.
PRODUCT FAMILY
Family
Package
Access Time (Max.)
MSM548128BL-70RS
MSM548128BL-80RS
600 mil 32-pin
Plastic DIP
70 ns
80 ns
MSM548128BL-70GS-K
MSM548128BL-80GS-K
525 mil 32-pin
Plastic SOP
70 ns
80 ns
This version: Jan. 1998
Previous version: Dec. 1996
E2L0043-17-Y1
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