Features: • Industrial and commercial temperature• Organization: 131,072 words * 16 bits• Center power and ground pins• High speed - 10/12/15/20 ns address access time - 4/5/6/7 ns output enable access time• Low power consumption: ACTIVE - 650 mW /max @ 10 ns• L...
AS7C32098A: Features: • Industrial and commercial temperature• Organization: 131,072 words * 16 bits• Center power and ground pins• High speed - 10/12/15/20 ns address access time - 4/5/...
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Features: `AS7C1024A (5V version)` AS7C31024A (3.3V version)` Industrial and commercial temperatur...
Parameter |
Symbol |
min |
max |
Unit |
Voltage on VCC relative to GND |
Vt1 |
-0.50 |
+2.0 |
V |
Voltage on any pin relative to GND |
Vt2 |
-0.50 |
VCC +0.50 |
V |
Power dissipation |
PD |
- |
1.5 |
W |
Storage temperature (plastic) |
Tstg |
-65 |
+150 |
|
Ambient temperature with VCC applied |
Tbias |
-55 |
+125 |
|
DC current into outputs (low) |
IOUT |
- |
±20 |
mA |
The AS7C32098A is a high-performance CMOS 2,097,152-bit Static Random Access Memory (SRAM) device organized as 131,072 words * 16 bits. It is designed for memory applications where fast data access, low power, and simple interfacing are desired.
Equal address access of AS7C32098A and cycle times (tAA, tRC, tWC) of 10/12/15/20 ns with output enable access times (tOE) of 4/5/6/7 ns are ideal for high-performance applications. The chip enable input CE permits easy memory expansion with multiple-bank
memory systems.
When CE AS7C32098A is high the device enters standby mode. The device is guaranteed not to exceed 28.8mW power consumption in CMOS standby mode. A write cycle is accomplished by asserting write enable (WE) and chip enable (CE). Data on the input pins I/O1I/O16 is written on the rising edge of WE (write cycle 1) or CEAS7C32098A (write cycle 2). To avoid bus contention, external devices should drive I/O pins only after outputs have been disabled with output enable (OE) or write enable (WE).
A read cycle is accomplished by asserting output enable (OE) AS7C32098Aand chip enable (CE)AS7C32098A , with write enable (WE) high. The chip drives I/O pins with the data word referenced by the input address. When either chip enable or output enable is inactive, or write enable is active, output drivers stay in high-impedance mode.
The device provides multiple center power and ground pins, and separate byte enable controls, allowing individual bytes to be written and read. LB controls the lower bits, I/O1I/O8, and UB controls the higher bits, I/O9I/O16.
All chip of AS7C32098A inputs and outputs are TTL- and CMOS-compatible, and operation is for 3.3V (AS7C32098A) supply. The device is available in the JEDEC standard TSOP 2 package