器件名称: AS4LC1M16883C
功能描述: 1 MEG x 16 DRAM
文件大小: 195.31KB 共22页
简 介:AUSTIN SEMICONDUCTOR, INC.
AS4LC1M16 883C 1 MEG x 16 DRAM
PRELIMINARY
DRAM
AVAILABLE AS MILITARY SPECIFICATIONS
MIL-STD 883 SMD Planned
1 MEG x 16 DRAM
3.3V, EDO PAGE MODE, OPTIONAL EXTENDED REFRESH
PIN ASSIGNMENT (Top View) 44/50-Pin SOJ/LCC/Gull Wing 450mil
FEATURES
JEDEC- and industry-standard x16 timing, functions, pinouts and packages High-performance CMOS silicon-gate process Single +3.3V ± 0.3V power supply All device pins are TTL-compatible Refresh modes: ?R?A/S ONLY, ?C?A/S-BEFORE-?R?A/S (CBR), HIDDEN BYTE WRITE access cycles 1,024-cycle refresh (10 row-, 10 column-addresses) Low power, 0.3mW standby; 180mW active, typical Extended Data-Out (EDO) PAGE access cycle 5V-tolerant I/Os (5.5V maximum VIH level)
Vcc DQ1 DQ2 DQ3 DQ4 Vcc DQ5 DQ6 DQ7 DQ8 NC 1 2 3 4 5 6 7 8 9 10 11 50 49 48 47 46 45 44 43 42 41 40 Vss DQ16 DQ15 DQ14 DQ13 Vss DQ12 DQ11 DQ10 DQ9 NC
OPTIONS
Timing 60ns access (Contact Factory) 70ns access 80ns access Refresh Rate Standard 16ms period Packages Ceramic SOJ Ceramic Gull Wing Ceramic LCC
MARKING
-6 -7 -8 None ECJ No. 506 ECG No. 604 EC No. 213
NC NC WE RAS NC NC A0 A1 A2 A3 Vcc
15 16 17 18 19 20 21 22 23 24 25
36 35 34 33 32 31 30 29 28 27 26
NC CASL CASH OE A9 A8 A7 A6 A5 A4 Vss
KEY TIMING PARAMETERS
SPEED -6 -7 -8
tRC 105ns 125ns 150ns tRAC 60ns 70ns 80ns tPC 25ns 30ns 40ns tAA 30ns 35ns 40ns tCAC 15ns 20ns 20ns tCAS 12ns 12ns 20ns
GENERAL DESCRIPTION
The AS4LC1M16 is a randomly accessed solid-state memory containing 16,77……
