器件名称: W24LH8Q-55LI
功能描述: Normal speed, Very low power CMOS static RAM Organized as 32768 x 8 bits
文件大小: 198.46KB 共10页
简 介:W24LH8 32K × 8 CMOS STATIC RAM
GENERAL DESCRIPTION
The W24LH8 is a normal speed, very low power CMOS static RAM organized as 32768 × 8 bits that operates on a wide voltage range from 2.7V to 5.5V power supply. The W24LH8 family, W24LH8-55LE and W24LH8-55LI, can meet requirement of various operating temperature. This device is manufactured using Winbond's high performance CMOS technology.
FEATURES
Low power consumption Access time: 55 nS (5V ±10%), 100 nS (3V ±10%) 2.7V to 5.5V supply voltage Fully static operation All inputs and outputs directly TTL compatible
Three-state outputs Battery back-up operation capability Data retention voltage: 2V (min.) Available packages: 330 mil SOP and standard type one TSOP (8 mm × 13.4 mm)
PIN CONFIGURATIONS
BLOCK DIAGRAM
CLK GEN. A12 A14 PRECHARGE CKT.
A14 A12 A7 A6 A5 A4 A3 A2 A1 A0 I/O1 I/O2 I/O3 VSS
1 2 3 4 5 6 7 8 9 10 11 12 13 14 28-pin SOP
28 27 26 25 24 23 22 21 20 19 18 17 16 15
VDD #WE A13 A8 A9 A11 #OE A10 #CS I/O8 I/O7 I/O6 I/O5 I/O4
A2 A3 A4 A5 A6 A7 A13 I/O1 I/O8
R O W D E C O D E R
CORE CELL ARRAY 512 ROWS 64 X 8 COLUMNS
DATA CNTRL. CLK GEN.
I/O CKT. COLUMN DECODER
#WE #CS #OE
A11 A10 A1 A0 A8 A9
PIN DESCRIPTION
#OE A11 A9 A8 A13 #WE VDD A14 A12 A7 A6 A5 A4 A3 1 2 3 4 5 6 7 8 9 10 11 12 13 14 28 27 26 25 24 23 22 21 20 19 18 17 16 15 A10 #CS I/O8 I/O7 I/O6 I/O5 I/O4 VSS I/O3 I/O2 I/O1 A0 A1 A2
SYMBOL A0A14 I/O1I/O8 #CS #WE #OE VDD VSS
DESCRIPTION Address Inputs Data Inputs/Outputs Chip Select Inpu……
