HM62W8512BLTT-5 HITACHI, HM62W8512BLTT-5 Datasheet

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HM62W8512BLTT-5

Manufacturer Part Number
HM62W8512BLTT-5
Description
4M SRAM (512-kword x 8-bit), 55ns access time
Manufacturer
HITACHI
Datasheet

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Description
The Hitachi HM62W8512B is a 4-Mbit static RAM organized 512-kword 8-bit. It realizes higher density,
higher performance and low power consumption by employing 0.35 µ m Hi-CMOS process technology. The
device, packaged in a 525-mil SOP (foot print pitch width) or 400-mil TSOP TYPE II is available for high
density mounting. The HM62W8512B is suitable for battery backup system.
Features
Single 3.3 V supply: 3.3 V ± 0.3 V
Access time: 55/70 ns (max)
Power dissipation
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 and outputs
Battery backup operation
Active: 16.5 mW/MHz (typ)
Standby: 3.3 µW (typ)
HM62W8512B Series
4 M SRAM (512-kword
8-bit)
ADE-203-904E (Z)
Oct. 20, 1999
Rev. 4.0

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HM62W8512BLTT-5 Summary of contents

Page 1

... M SRAM (512-kword Description The Hitachi HM62W8512B is a 4-Mbit static RAM organized 512-kword 8-bit. It realizes higher density, higher performance and low power consumption by employing 0.35 µ m Hi-CMOS process technology. The device, packaged in a 525-mil SOP (foot print pitch width) or 400-mil TSOP TYPE II is available for high density mounting ...

Page 2

... HM62W8512BLFP HM62W8512BLFP-5SL 55 ns HM62W8512BLFP-7SL 70 ns HM62W8512BLFP-5UL 55 ns HM62W8512BLFP-7UL 70 ns HM62W8512BLTT HM62W8512BLTT HM62W8512BLTT-5SL 55 ns HM62W8512BLTT-7SL 70 ns HM62W8512BLTT-5UL 55 ns HM62W8512BLTT-7UL 70 ns HM62W8512BLRR HM62W8512BLRR HM62W8512BLRR-5SL 55 ns HM62W8512BLRR-7SL 70 ns HM62W8512BLRR-5UL 55 ns HM62W8512BLRR-7UL Package 525-mil 32-pin plastic SOP (FP-32D) ...

Page 3

... I/O3 CC A15 31 A17 A13 A11 A10 I/O7 21 I/O6 20 I/O5 19 I/O4 18 I/O3 17 HM62W8512B Series HM62W8512BLTT Series (Top view) HM62W8512BLRR Series (Top view) ...

Page 4

HM62W8512B Series Block Diagram A18 A16 A12 A14 I/O0 I/ • • • Memory Matrix • Row 1,024 • Decoder • Column I/O • Input Column Decoder Data Control A13 ...

Page 5

Function Table Note Absolute Maximum Ratings Parameter Power supply voltage Voltage on any pin relative Power dissipation ...

Page 6

HM62W8512B Series DC Characteristics (Ta = –20 to +70°C, V Parameter Input leakage current Output leakage current Operating power supply current: DC Operating HM62W8512B-5 I power supply current HM62W8512B-7 I Operating power supply current Standby power supply current: DC Standby ...

Page 7

AC Characteristics (Ta = –20 to +70°C, V Test Conditions Input pulse levels: 0 2.4 V Input rise and fall time Input timing reference levels: 1.4 V Output timing reference level: 0.8 V/2.0 V Output load ...

Page 8

HM62W8512B Series Write Cycle 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 ...

Page 9

Timing Waveforms Read Timing Waveform ( Address CS OE Dout ) OLZ HM62W8512B Series OHZ Valid Data ...

Page 10

HM62W8512B Series Write Timing Waveform (1) (OE Clock) Address Dout Din OHZ Valid Data ...

Page 11

Write Timing Waveform (2) (OE Low Fixed) Address Dout Din WHZ t DW Valid Data HM62W8512B Series *10 t ...

Page 12

HM62W8512B Series Low V Data Retention Characteristics (Ta = –20 to +70°C) CC Parameter V for data retention CC Data retention current Chip deselect to data retention time Operation recovery time Notes: 1. For L-version and 10 A (max.) at ...

Page 13

... Package Dimensions HM62W8512BLFP Series (FP-32D) 20.45 20.95 Max 32 1 1.00 Max 1.27 *0.40 0.08 0.38 0.06 *Dimension including the plating thickness Base material dimension 17 16 0.10 0.15 M Hitachi Code JEDEC EIAJ Weight (reference value) HM62W8512B Series Unit: mm 14.14 0.30 1.42 0 – 8 0.80 0.20 FP-32D Conforms — 1 ...

Page 14

... HM62W8512B Series Package Dimensions (cont.) HM62W8512BLTT Series (TTP-32D) 20.95 21.35 Max 32 1 *0.42 0.08 0.21 0.40 0.06 1.15 Max 0.10 *Dimension including the plating thickness Base material dimension 1.27 M 11.76 Hitachi Code JEDEC EIAJ Weight (reference value) Unit: mm 0.80 0.20 0 – 5 0.50 0.10 TTP-32D Conforms — 0.51 g ...

Page 15

... Package Dimensions (cont.) HM62W8512BLRR Series (TTP-32DR) 20.95 21.35 Max 1 32 *0.42 0.08 0.21 0.40 0.06 1.15 Max 0.10 *Dimension including the plating thickness Base material dimension 16 17 1.27 M 11.76 Hitachi Code JEDEC EIAJ Weight (reference value) HM62W8512B Series Unit: mm 0.80 0.20 0 – 5 0.50 0.10 TTP-32DR Conforms — 0. ...

Page 16

... 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 ...

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