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SST30VR023-500-C-WH 参数 Datasheet PDF下载

SST30VR023-500-C-WH图片预览
型号: SST30VR023-500-C-WH
PDF下载: 下载PDF文件 查看货源
内容描述: 2兆ROM + 1兆位/兆比特/ 256千比特SRAM ,ROM / RAM组合 [2 Mbit ROM + 1 Mbit / 2Mbit / 256 Kbit SRAM ROM/RAM Combo]
分类和应用: 静态存储器
文件页数/大小: 12 页 / 113 K
品牌: SST [ SILICON STORAGE TECHNOLOGY, INC ]
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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
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.
F
UNCTIONAL
B
LOCK
D
IAGRAM
RAMCS#
ROMCS#
OE#
WE#
Control
Circuit
RAMCS#
OE#
WE#
Data Buffer
RAM
Address Buffer
DQ7-DQ0
ROMCS#
OE#
AMS-A0
ROM
Note: AMS = Most Significant Address
380 ILL B1.1
©2001 Silicon Storage Technology, Inc.
S71135-02-000 4/01
380
1
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.