HM628512BFP-7 HITACHI, HM628512BFP-7 Datasheet

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HM628512BFP-7

Manufacturer Part Number
HM628512BFP-7
Description
4M SRAM (512-kword x 8-bit)
Manufacturer
HITACHI
Datasheet
Description
The Hitachi HM628512BFP is a 4-Mbit static RAM organized 512-kword
higher performance and low power consumption by employing Hi-CMOS process technology. It is packaged
in standard 32-pin SOP.
Features
Ordering Information
Type No.
HM628512BFP-5
HM628512BFP-7
Single 5 V supply
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 TTL compatible: All inputs and outputs
Active: 50 mW/MHz (typ)
Standby: 2 mW (max)
Access time
55 ns
70 ns
HM628512BFP Series
4 M SRAM (512-kword
Package
525-mil 32-pin plastic SOP (FP-32D)
8-bit)
8-bit. It realizes higher density,
ADE-203-1078B (Z)
Nov. 23, 1999
Rev. 2.0

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HM628512BFP-7 Summary of contents

Page 1

... Equal access and cycle times Common data input and output: Three state output Directly TTL compatible: All inputs and outputs Ordering Information Type No. Access time HM628512BFP HM628512BFP Package 525-mil 32-pin plastic SOP (FP-32D) 8-bit) ADE-203-1078B (Z) Rev. 2.0 Nov. 23, 1999 8-bit. It realizes higher density, ...

Page 2

... HM628512BFP Series Pin Arrangement Pin Description Pin name Function A0 to A18 Address input I/O0 to I/O7 Data input/output CS Chip select OE Output enable WE Write enable V Power supply CC V Ground SS 2 32-pin SOP 1 32 A18 2 31 A16 3 30 A14 4 29 A12 ...

Page 3

... A14 I/O0 I/ • • Memory Matrix • Row • 1,024 • Decoder • Column I/O • Input Column Decoder Data Control A13 A17A15 A8 • • Timing Pulse Generator Read/Write Control HM628512BFP Series V V 4,096 • • A11 A10 ...

Page 4

... HM628512BFP Series Function Table Note Absolute Maximum Ratings Parameter Power supply voltage Voltage on any pin relative to V Power dissipation Operating temperature Storage temperature Storage temperature under bias Notes: 1. –3.0 V for pulse half-width 2. Maximum voltage is 7.0 V Recommended DC Operating Conditions (Ta = – ...

Page 5

... I — — 300 SB1 V — — 2.4 — 5 +25 C and specified loading, and not guaranteed. CC Typ Max — 8 — 10 I/O HM628512BFP Series = Max Unit Test conditions 1 A Vin = I ...

Page 6

... 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 10%, unless otherwise noted.) CC (50 pF) (HM628512BFP-5) (Including scope & jig) L (100 pF) (HM628512BFP-7) (Including scope & jig) L HM628512BFP -5 Symbol Min Max t 55 — ...

Page 7

... OHZ ) of a low CS and a low WE. A write begins at the later WP is measured from the beginning of write to the end of write. WP must satisfy the following equation to avoid a problem min + t max WP DW WHZ HM628512BFP Series -7 Max Min Max Unit — 70 — ns — 60 — ...

Page 8

... HM628512BFP Series Timing Waveforms Read Timing Waveform ( Address CS OE Dout OLZ OHZ Valid Data t OH ...

Page 9

... Write Timing Waveform (1) (OE Clock) Address Dout Din OHZ HM628512BFP Series Valid Data 9 ...

Page 10

... HM628512BFP Series Write Timing Waveform (2) (OE Low Fixed) Address Dout Din WHZ t DW Valid Data * *11 ...

Page 11

... Package Dimensions HM628512BFP 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 HM628512BFP Series 14.14 0.30 1.42 0.80 0.20 Hitachi Code FP-32D JEDEC Conforms EIAJ — Weight (reference value) 1.3 g Unit – ...

Page 12

... HM628512BFP 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 ...

Page 13

... Revision Record Rev. Date Contents of Modification 1.0 Jun. 29, 1999 Initial issue 2.0 Nov. 23, 1999 Addition of HM628512BFP-5 Series HM628512BFP Series Drawn by Approved by S. Kunito K. Imato 13 ...

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