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HM62V8512CTS Series
4 M SRAM (512-kword x 8-bit)
ADE-203-1258A (Z) Rev. 1.0 Jul. 23, 2001 Description
The Hitachi HM62V8512CTS Series is a 4-Mbit static RAM organized 512-kword x 8-bit. HM62V8512CTS Series has realized higher density, higher performance and low power consumption by employing CMOS process technology (6-transistor memory cell). It offers low power standby power dissipation; therefore, it is suitable for battery backup system. It is packaged in TSOP I is available for high density surface mounting.
Features
* Single 3.0 V supply: 2.7 V to 3.6 V * Access time: 55/70 ns (max) * Power dissipation Active: 6.0 mW/MHz (typ) Standby: 2.4 W (typ) * Completely static memory. No clock or timing strobe required * Equal access and cycle times * Common data input and output: Three state output * Directly LV-TTL compatible: All inputs * Battery backup operation
HM62V8512CTS Series
Ordering Information
Type No. HM62V8512CLTS-5 HM62V8512CLTS-7 HM62V8512CLTS-5SL HM62V8512CLTS-7SL Access time 55 ns 70 ns 55 ns 70 ns Package 8 x 13.4 mm 32-pin plastic TSOPI (TFP-32DC)
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HM62V8512CTS Series
Pin Arrangement
32-pin TSOP (Normal Type TSOP)
A11 A9 A8 A13 WE A17 A15 VCC A18 A16 A14 A12 A7 A6 A5 A4 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 OE A10 CS I/O7 I/O6 I/O5 I/O4 I/O3 VSS I/O2 I/O1 I/O0 A0 A1 A2 A3
(Top view)
Pin Description
Pin name A0 to A18 I/O0 to I/O7 CS OE WE VCC VSS NC Function Address input Data input/output Chip select Output enable Write enable Power supply Ground No connection
3
HM62V8512CTS Series
Block Diagram
LSB V CC V SS * * * * *
MSB
A11 A9 A8 A15 A18 A10 A13 A17 A16 A14 A12
Row Decoder
Memory Matrix 2,048 x 2,048
I/O0 Input Data Control I/O7
* *
Column I/O Column Decoder
* *
LSB A3 A2A1A0 A4 A5 A6 A7 MSB * * CS WE OE Timing Pulse Generator Read/Write Control
4
HM62V8512CTS Series
Function Table
WE x H H L L CS H L L L L OE x H L H L Mode Not selected Output disable Read Write Write VCC current I SB , I SB1 I CC I CC I CC I CC Dout pin High-Z High-Z Dout Din Din Ref. cycle -- -- Read cycle Write cycle (1) Write cycle (2)
Note: x: H or L
Absolute Maximum Ratings
Parameter Power supply voltage Voltage on any pin relative to V SS Power dissipation Operating temperature Storage temperature Storage temperature under bias Symbol VCC VT PT Topr Tstg Tbias Value -0.5 to +4.6 -0.5* to V CC + 0.5* 1.0 -20 to +70 -55 to +125 -20 to +85
1 2
Unit V V W C C C
Notes: 1. VT min: -3.0 V for pulse half-width 30 ns. 2. Maximum voltage is 4.6 V.
Recommended DC Operating Conditions (Ta = -20 to +70C)
Parameter Supply voltage Symbol VCC VSS Input high voltage Input low voltage Note: VIH VIL Min 2.7 0 2.0 -0.3*
1
Typ 3.0 0 -- --
Max 3.6 0 VCC + 0.3 0.8
Unit V V V V
1. VIL min: -3.0 V for pulse half-width 30 ns.
5
HM62V8512CTS Series
DC Characteristics
Parameter Input leakage current Output leakage current Operating power supply current: DC Symbol Min |ILI| |ILO | I CC -- -- -- Typ*1 Max Unit Test conditions -- -- 5 1 1 10 A A mA Vin = VSS to V CC CS = VIH or OE = VIH or WE = VIL, VI/O = VSS to V CC CS = VIL, others = VIH/VIL, I I/O = 0 mA Min cycle, duty = 100% CS = VIL, others = VIH/VIL I I/O = 0 mA Cycle time = 1 s, duty = 100% I I/O = 0 mA, CS 0.2 V VIH V CC - 0.2 V, VIL 0.2 V CS = VIH Vin 0 V, CS V CC - 0.2 V
Operating power supply HM62V8512CTS-5 I CC1 current HM62V8512CTS-7 I CC1 I CC2
--
8
25
mA
-- --
7 2
25 5
mA mA
Standby power supply current: DC Standby power supply current (1): DC
I SB I SB1
-- -- --
0.1 0.8*
2
0.3 20*
2
mA A
0.8*3 -- --
10* 3 A 0.4 0.2 -- -- V V V V I OL = 2.1 mA I OL = 100 A I OH = -100 A I OH = -1.0 mA
Output low voltage
VOL
-- --
Output high voltage
VOH
VCC - 0.2 -- 2.4 --
Notes: 1. Typical values are at VCC = 3.0 V, Ta = +25C and specified loading, and not guaranteed. 2. This characteristics is guaranteed only for L version. 3. This characteristics is guaranteed only for L-SL version.
Capacitance (Ta = +25C, f = 1 MHz)
Parameter Input capacitance*
1 1
Symbol Cin CI/O
Typ -- --
Max 8 10
Unit pF pF
Test conditions Vin = 0 V VI/O = 0 V
Input/output capacitance* Note:
1. This parameter is sampled and not 100% tested.
6
HM62V8512CTS Series
AC Characteristics (Ta = -20 to +70C, VCC = 2.7 V to 3.6 V, unless otherwise noted.)
Test Conditions * * * * Input pulse levels: 0.4 V to 2.4 V Input rise and fall time: 5 ns Input timing reference levels: 1.4 V Output timing reference level: 1.4 V/1.4 V(HM62V8512CTS-5) 0.8 V/2.0 V(HM62V8512CTS-7) * Output load: See figure (Including scope & jig)
500 Dout 50 pF 1.4 V
Read Cycle
HM62V8512CTS -5 Parameter Read cycle time Address access time Chip select access time Output enable to output valid Chip selection to output in low-Z Output enable to output in low-Z Chip deselection to output in high-Z Output disable to output in high-Z Output hold from address change Symbol t RC t AA t CO t OE t LZ t OLZ t HZ t OHZ t OH Min 55 -- -- -- 10 5 0 0 10 Max -- 55 55 30 -- -- 20 20 -- -7 Min 70 -- -- -- 10 5 0 0 10 Max -- 70 70 35 -- -- 30 30 -- Unit ns ns ns ns ns ns ns ns ns 2 2 1, 2 1, 2 Notes
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HM62V8512CTS Series
Write Cycle
HM62V8512CTS -5 Parameter Write cycle time Chip selection to end of write Address setup time Address valid to end of write Write pulse width Write recovery time WE to output in high-Z Data to write time overlap Data hold from write time Output active from output in high-Z Output disable to output in high-Z Symbol t WC t CW t AS t AW t WP t WR t WHZ t DW t DH t OW t OHZ Min 55 50 0 50 40 0 0 25 0 5 0 Max -- -- -- -- -- -- 20 -- -- -- 20 -7 Min 70 60 0 60 50 0 0 30 0 5 0 Max -- -- -- -- -- -- 30 -- -- -- 30 Unit ns ns ns ns ns ns ns ns ns ns ns 2 1, 2, 7 3, 12 6 1, 2, 7 4 5 Notes
Notes: 1. t HZ , t OHZ and t WHZ are defined as the time at which the outputs achieve the open circuit conditions and are not referred to output voltage levels. 2. This parameter is sampled and not 100% tested. 3. A write occurs during the overlap (tWP) of a low CS and a low WE. A write begins at the later transition of CS going low or WE going low. A write ends at the earlier transition of CS going high or WE going high. tWP is measured from the beginning of write to the end of write. 4. t CW is measured from CS going low to the end of write. 5. t AS is measured from the address valid to the beginning of write. 6. t WR is measured from the earlier of WE or CS going high to the end of write cycle. 7. During this period, I/O pins are in the output state so that the input signals of the opposite phase to the outputs must not be applied. 8. If the CS low transition occurs simultaneously with the WE low transition or after the WE transition, the output remain in a high impedance state. 9. Dout is the same phase of the write data of this write cycle. 10. Dout is the read data of next address. 11. If CS is low during this period, I/O pins are in the output state. Therefore, the input signals of the opposite phase to the outputs must not be applied to them. 12. In the write cycle with OE low fixed, tWP must satisfy the following equation to avoid a problem of data bus contention. t WP tDW min + tWHZ max
8
HM62V8512CTS Series
Timing Waveforms
Read Timing Waveform (WE = VIH)
tRC
Address tAA tCO CS tLZ tOE tOLZ OE tOHZ tHZ
Dout
Valid Data tOH
9
HM62V8512CTS Series
Write Timing Waveform (1) (OE Clock)
tWC Address tAW OE tCW CS
*8
tWR
tAS WE tOHZ Dout
tWP
tDW Din Valid Data
tDH
10
HM62V8512CTS Series
Write Timing Waveform (2) (OE Low Fixed)
tWC Address tCW CS
*8
tWR
tAW tWP
WE
tAS tWHZ tOW
tOH
*9
*10
Dout tDW Din tDH
*11
Valid Data
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HM62V8512CTS Series
Low VCC Data Retention Characteristics (Ta = -20 to +70C)
Parameter VCC for data retention Data retention current Symbol VDR I CCDR Min 2 -- -- Chip deselect to data retention time Operation recovery time t CDR tR 0 t RC*
5
Typ -- 0.8*
4
Max -- 20*
1
Unit V A A ns ns
Test conditions*3 CS V CC - 0.2 V, Vin 0 V VCC = 3.0 V, Vin 0 V CS V CC - 0.2 V
0.8*4 -- --
10* 2 -- --
See retention waveform
Notes: 1. For L-version and 10 A (max.) at Ta = -20 to +40C. 2. For L-SL-version and 3 A (max.) at Ta = -20 to +40C. 3. CS controls address buffer, WE buffer, OE buffer, and Din buffer. In data retention mode, Vin levels (address, WE, OE, I/O) can be in the high impedance state. 4. Typical values are at VCC = 3.0 V, Ta = +25C and specified loading, and not guaranteed. 5. t RC = read cycle time.
Low V CC Data Retention Timing Waveform (CS Controlled)
t CDR V CC 2.7 V Data retention mode tR
V DR 2.0 V CS 0V CS VCC - 0.2 V
12
HM62V8512CTS Series
Package Dimensions
HM62V8512CLTS Series (TFP-32DC)
As of January, 2001
8.00 8.20 Max 32 17 11.80
Unit: mm
1
16 0.50
*0.22 0.08 0.20 0.06
0.08 M 13.40 0.30 0 - 5 0.80
0.43 Max 1.20 Max *0.17 0.05 0.15 0.04
0.10
0.13 +0.07 -0.08
0.50 0.10
*Dimension including the plating thickness Base material dimension
Hitachi Code JEDEC EIAJ Mass (reference value)
TFP-32DC -- -- 0.23 g
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HM62V8512CTS Series
Cautions
1. Hitachi neither warrants nor grants licenses of any rights of Hitachi's or any third party's patent, copyright, trademark, or other intellectual property rights for information contained in this document. Hitachi bears no responsibility for problems that may arise with third party's rights, including intellectual property rights, in connection with use of the information contained in this document. 2. Products and product specifications may be subject to change without notice. Confirm that you have received the latest product standards or specifications before final design, purchase or use. 3. Hitachi makes every attempt to ensure that its products are of high quality and reliability. However, contact Hitachi's sales office before using the product in an application that demands especially high quality and reliability or where its failure or malfunction may directly threaten human life or cause risk of bodily injury, such as aerospace, aeronautics, nuclear power, combustion control, transportation, traffic, safety equipment or medical equipment for life support. 4. Design your application so that the product is used within the ranges guaranteed by Hitachi particularly for maximum rating, operating supply voltage range, heat radiation characteristics, installation conditions and other characteristics. Hitachi bears no responsibility for failure or damage when used beyond the guaranteed ranges. Even within the guaranteed ranges, consider normally foreseeable failure rates or failure modes in semiconductor devices and employ systemic measures such as fail-safes, so that the equipment incorporating Hitachi product does not cause bodily injury, fire or other consequential damage due to operation of the Hitachi product. 5. This product is not designed to be radiation resistant. 6. No one is permitted to reproduce or duplicate, in any form, the whole or part of this document without written approval from Hitachi. 7. Contact Hitachi's sales office for any questions regarding this document or Hitachi semiconductor products.
Hitachi, Ltd.
Semiconductor & Integrated Circuits Nippon Bldg., 2-6-2, Ohte-machi, Chiyoda-ku, Tokyo 100-0004, Japan Tel: (03) 3270-2111 Fax: (03) 3270-5109
URL
http://www.hitachisemiconductor.com/
For further information write to:
Hitachi Semiconductor (America) Inc. 179 East Tasman Drive San Jose,CA 95134 Tel: <1> (408) 433-1990 Fax: <1>(408) 433-0223 Hitachi Europe Ltd. Electronic Components Group Whitebrook Park Lower Cookham Road Maidenhead Berkshire SL6 8YA, United Kingdom Tel: <44> (1628) 585000 Fax: <44> (1628) 585200 Hitachi Europe GmbH Electronic Components Group Dornacher Strae 3 D-85622 Feldkirchen Postfach 201,D-85619 Feldkirchen Germany Tel: <49> (89) 9 9180-0 Fax: <49> (89) 9 29 30 00 Hitachi Asia Ltd. Hitachi Tower 16 Collyer Quay #20-00 Singapore 049318 Tel : <65>-538-6533/538-8577 Fax : <65>-538-6933/538-3877 URL : http://semiconductor.hitachi.com.sg Hitachi Asia Ltd. (Taipei Branch Office) 4/F, No. 167, Tun Hwa North Road Hung-Kuo Building Taipei (105), Taiwan Tel : <886>-(2)-2718-3666 Fax : <886>-(2)-2718-8180 Telex : 23222 HAS-TP URL : http://www.hitachi.com.tw Hitachi Asia (Hong Kong) Ltd. Group III (Electronic Components) 7/F., North Tower World Finance Centre, Harbour City, Canton Road Tsim Sha Tsui, Kowloon Hong Kong Tel : <852>-(2)-735-9218 Fax : <852>-(2)-730-0281 URL : http://semiconductor.hitachi.com.hk
Copyright (c) Hitachi, Ltd., 2001. All rights reserved. Printed in Japan.
Colophon 5.0
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