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HY62256A

Part Number	HY62256A
Manufacturer	Hynix Semiconductor
Description	32K x 8-Bit CMOS SRAM
Published	Mar 18, 2006
Detailed Description	HY62256A Series 32Kx8bit CMOS SRAM DESCRIPTION The HY62256A is a high-speed, low power and 32,786 x 8-bits CMOS Static ...
Datasheet	HY62256A PDF File

Overview

HY62256A Series 32Kx8bit CMOS SRAM DESCRIPTION The HY62256A is a high-speed, low power and 32,786 x 8-bits CMOS Static Random Access Memory fabricated using Hyundai's high performance CMOS process technology.
The HY62256A has a data retention mode that guarantees data to remain valid at the minimum power supply voltage of 2.
0 volt.
Using the CMOS technology, supply voltages from 2.
0 to 5.
5volt has little effect on supply current in the data retention mode.
The HY62256A is suitable for use in low voltage operation and battery back-up application.
Product Voltage Speed No.
(V) (ns) HY62256A 5.
0 55/70/85 Note 1.
Current value is max.
Operation Current(mA) 50 FEATURES Fully static operation and Tri-state output TTL compatible inputs and outputs Low power consumption Battery backup(L/LL-part) - 2.
0V(min.
) data retention • Standard pin configuration - 28 pin 600 mil PDIP - 28 pin 330mil SOP - 28 pin 8x13.
4 mm TSOP-I (Standard and Reversed) • • • • Standby Current(uA) L LL 1mA 100 25 PIN CONNECTION A14 A12 A7 A6 A5 A4 A3 A2 A1 A0 I/O1 I/O2 I/O3 Vss Vcc /WE A13 A8 A9 A11 /OE A10 /CS I/O8 I/O7 I/O6 I/O5 I/O4 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 A14 A12 A7 A6 A5 A4 A3 A2 A1 A0 I/O1 I/O2 I/O3 Vss PDIP PIN DESCRIPTION Pin Name /CS /WE /OE A0 ~ A14 I/O1 ~ I/O8 Vcc Vss COLUMN DECODER A14 /CS /OE /WE WRITE DRIVER MEMORY ARRAY 512x512 OUTPUT BUFFER w CONTROL LOGIC Pin Function Chip Select Write Enable Output Enable Address Inputs Data Input/Output Power(+5.
0V) Ground A0 ADD INPUT BUFFER SENSE AMP w w t a .
D SOP 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 Vcc /WE A13 A8 A9 A11 /OE A10 /CS I/O8 I/O7 I/O6 I/O5 I/O4 S a /OE A11 A9 A8 A13 /WE Vcc A14 A12 A7 A6 A5 A4 A3 1 2 3 4 5 6 7 8 9 10 11 12 13 14 e h U 4 t e 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 .
c 14 13 12 11 10 9 8 7 6 5 4 3 2 1 Temperature (°C) 0~70(Normal) m o A3 ...

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