參數(shù)資料
型號(hào)： SST30VR043-70-E-WH
廠商： Silicon Storage Technology, Inc.
元件分類(lèi)： SRAM
英文描述： 4 Mbit ROM + 1 Mbit / 256 Kbit SRAM ROM/RAM Combo
中文描述： 4兆位光盤(pán)1兆位/ 256千位的SRAM ROM / RAM內(nèi)存組合
文件頁(yè)數(shù)： 1/12頁(yè)
文件大?。?/td> 111K
代理商： SST30VR043-70-E-WH
2001 Silicon Storage Technology, Inc.
S71135-02-000
4/01
1
380
The SST logo and SuperFlash are registered trademarks of Silicon Storage Technology, Inc.
ComboMemory is a trademark of Silicon Storage Technology, Inc.
These specifications are subject to change without notice.
Data Sheet
FEATURES:
ROM + SRAM ROM/RAM Combo
– SST30VR021: 256K x8 ROM + 128K x8 SRAM
– SST30VR022: 256K x8 ROM + 256K x8 SRAM
– SST30VR023: 256K x8 ROM + 32K x8 SRAM
ROM/RAM combo on a monolithic chip
Equivalent ComboMemory (Flash + SRAM):
SST31LF021E for code development and
pre-production
Wide Operating Voltage Range: 2.7-3.3V
Chip Access Time
–
SST30VR022
70 ns
–
SST30VR021/023 500 ns
Low Power Dissipation:
–
Standby: 3 μW (Typical)
–
Operating: 10 mW (Typical)
Fully Static Operation
–
No clock or refresh required
Three state Outputs
Packages Available
–
32-pin TSOP (8mm x14mm)
PRODUCT DESCRIPTION
The SST30VR021/022/023 are ROM/RAM combo chips
consisting of 2 Mbit Read Only Memory organized as 256
KBytes and Static Random Access Memory organized as
128, 256, and 32 KBytes.
The device is fabricated using SST
’
s advanced CMOS low
power process technology.
The SST30VR021/022/023 has an output enable input for
precise control of the data outputs. It also has two (2) sepa-
rate chip enable inputs for selection of either RAM or ROM
and for minimizing current drain during power-down mode.
The SST30VR021/022/023 is particularly well suited for
use in low voltage (2.7-3.3V) supplies such as pagers,
organizers and other handheld applications.
RAMCS#
OE#
WE#
ROMCS#
DQ7-DQ0
AMS-A0
Note: AMS = Most Significant Address
ROMCS#
OE#
RAM
ROM
WE#
OE#
380 ILL B1.1
A
D
RAMCS#
C
C
F
UNCTIONAL
B
LOCK
D
IAGRAM
2 Mbit ROM + 1 Mbit / 2Mbit / 256 Kbit SRAM
ROM/RAM Combo
SST30VR021 / SST30VR022 / SST30VR023
SST30VR021/022/0232 Mb Mask ROM (x8) + 1 Mb / 2Mb / 256 Kb SRAM (x8) Combo
相關(guān)PDF資料
PDF描述
SST30VR041-500-E-WH 4 Mbit ROM + 1 Mbit / 256 Kbit SRAM ROM/RAM Combo
SST30VR043-500-E-WH 4 Mbit ROM + 1 Mbit / 256 Kbit SRAM ROM/RAM Combo
SST30VR021 2 Mbit ROM + 1 Mbit / 2Mbit / 256 Kbit SRAM ROM/RAM Combo
SST30VR021-500-C-U1 2 Mbit ROM + 1 Mbit / 2Mbit / 256 Kbit SRAM ROM/RAM Combo
SST30VR021-500-C-WH 2 Mbit ROM + 1 Mbit / 2Mbit / 256 Kbit SRAM ROM/RAM Combo
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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