HM62256BLP-7 HITACHI, HM62256BLP-7 Datasheet

no-image

HM62256BLP-7

Manufacturer Part Number
HM62256BLP-7
Description
32768-word x 8-bit high speed CMOS static RAM, 70ns
Manufacturer
HITACHI
Datasheet

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
HM62256BLP-7
Manufacturer:
HIT
Quantity:
5 510
Part Number:
HM62256BLP-7
Manufacturer:
HITACHI
Quantity:
1 000
Part Number:
HM62256BLP-70
Manufacturer:
HIT
Quantity:
200
Description
The Hitachi HM62256B Series is a CMOS static RAM organized 32,768-word
performance and low power consumption by employing 0.8
device, packaged in 8
print pitch width), 600 mil plastic DIP, or 300 mil plastic DIP, is available for high density mounting. It
offers low power standby power dissipation; therefore, it is suitable for battery backup systems.
Features
Single 5.0 V supply: 5.0 V 10%
Access time: 55 ns/70 ns/85 ns (max)
Power dissipation:
Completely static memory
Equal access and cycle times
Common data input and output
Directly TTL compatible all inputs and outputs
Battery backup operation
Active: 25 mW (typ) (f = 1 MHz)
Standby: 1.0 W (typ)
No clock or timing strobe required
Three state output
14 mm TSOP, 8
256k SRAM (32-kword
HM62256B Series
13.4 mm TSOP with thickness of 1.2 mm, 450 mil SOP (foot
m Hi-CMOS process technology. The
8-bit)
ADE-203-135F (Z)
8-bit. It realizes higher
Nov. 13, 1997
Rev. 6.0

Related parts for HM62256BLP-7

HM62256BLP-7 Summary of contents

Page 1

... HM62256B Series 256k SRAM (32-kword Description The Hitachi HM62256B Series is a CMOS static RAM organized 32,768-word performance and low power consumption by employing 0.8 device, packaged TSOP, 8 print pitch width), 600 mil plastic DIP, or 300 mil plastic DIP, is available for high density mounting. It offers low power standby power dissipation ...

Page 2

... HM62256B Series Ordering Information Type No. Access time HM62256BLP HM62256BLP-7SL 70 ns HM62256BLSP HM62256BLSP-7SL 70 ns HM62256BLFP- HM62256BLFP-5SLT 55 ns HM62256BLFP-7SLT 70 ns HM62256BLFP-7ULT 70 ns HM62256BLT HM62256BLT-7SL 70 ns HM62256BLTM HM62256BLTM-5SL 55 ns HM62256BLTM-7SL 70 ns HM62256BLTM-7UL 70 ns Pin Arrangement A14 A12 I/O0 I/O1 I/ Package 600-mil 28-pin plastic DIP (DP-28) ...

Page 3

Pin Arrangement (cont A11 A13 A14 9 A12 A11 ...

Page 4

HM62256B Series Block Diagram (MSB) A12 A5 A7 • • A6 • A8 • • A13 • • A14 A4 (LSB) A3 I/O0 • • • • • • • • • • I/O7 CS Timing Pulse Generator WE Read/Write ...

Page 5

Operation Table Note Absolute Maximum Ratings Parameter Power supply voltage relative Terminal voltage on any pin relative ...

Page 6

HM62256B Series DC Characteristics ( + Parameter Symbol Min Input leakage current | Output leakage current | Operating current I CC Average HM62256B-5 I CC1 operating current HM62256B-7 I CC1 HM62256B-8 ...

Page 7

AC Characteristics ( + Test Conditions Input pulse levels: 0 2.4 V Input rise and fall time Input and output timing reference levels: 1.5 V Output load: 1 TTL Gate + ...

Page 8

HM62256B 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 Write to output in high-Z Data to write time overlap Data ...

Page 9

Timing Waveform Read Timing Waveform (1) ( Address CS OE High impedance Dout Read Timing Waveform (2) ( Address t OH Dout ) Valid address ACS OLZ ...

Page 10

HM62256B Series Read Timing Waveform (3) ( CLZ High impedance Dout Write Timing Waveform (1) (OE Clock) Address Dout High impedance Din ...

Page 11

Write Timing Waveform (2) (OE Low Fixed) Address Dout High impedance Din t WC Valid address WHZ Valid data HM62256B Series t ...

Page 12

HM62256B Series Low V Data Retention Characteristics ( Parameter Symbol V for data retention Data retention current I CCDR I CCDR I CCDR Chip deselect to data t CDR retention time ...

Page 13

... Package Dimensions HM62256BLP Series (DP-28) 35.6 36.5 Max 28 1 1.2 1.9 Max 2.54 0. 0.48 0.10 0 – 15 Hitachi Code JEDEC EIAJ Weight (reference value) HM62256B Series Unit: mm 15.24 + 0.11 0.25 – 0.05 DP-28 — Conforms 4 ...

Page 14

... HM62256B Series Package Dimensions (cont.) HM62256BLSP Series (DP-28NA) 36.00 37.32 Max 28 1 1.30 2.20 Max 2.54 0. 0.48 0.10 Hitachi Code JEDEC EIAJ Weight (reference value) Unit: mm 7.62 + 0.11 0.25 – 0.05 0 – 15 DP-28NA — Conforms 2.2 g ...

Page 15

... Max 28 1 1.12 Max 1.27 0.40 0.08 0.38 0.06 Dimension including the plating thickness Base material dimension 15 14 11.80 1.00 0.15 0.20 M Hitachi Code JEDEC EIAJ Weight (reference value) HM62256B Series Unit: mm 0.30 1.70 0 – 8 0.20 FP-28DA Conforms Conforms 0. ...

Page 16

... HM62256BLT Series (TFP-32DA) 8.00 8.20 Max 0.50 0.22 0.08 0.08 M 0.20 0.06 0.45 Max 0.10 Dimension including the plating thickness Base material dimension 16 14.00 0.20 0 – 5 0.50 Hitachi Code TFP-32DA JEDEC Conforms EIAJ Conforms Weight (reference value) 0.26 g Unit: mm 0.80 0.10 ...

Page 17

... HM62256BLTM Series (TFP-28DA) 8.00 8.20 Max 0.55 0.22 0.05 0.10 M 0.20 0.04 0.63 Max 0.10 Dimension including the plating thickness Base material dimension HM62256B Series 13.40 0.30 0 – 5 0.50 Hitachi Code TFP-28DA JEDEC — EIAJ — Weight (reference value) 0.22 g Unit: mm 0.80 0.10 17 ...

Page 18

... All rights are reserved: No one is permitted to reproduce or duplicate, in any form, the whole or part of this document without Hitachi’s permission. 3. Hitachi will not be held responsible for any damage to the user that may result from accidents or any other reasons during operation of the user’s unit according to this document. ...

Page 19

... CC V max: — Note max + max +40 C Deletion of description; (only for L-version) 3.0 Jun. 19, 1995 Change of format Deletion of HM62256BLP-8/10/12/8SL/10SL/12SL Deletion of HM62256BLSP-8/10/12/8SL/10SL/12SL Deletion of HM62256BLFP-8T/10T/12T Deletion of HM62256BLFP-8SLT/10SLT/12SLT Deletion of HM62256BLT-10/12/8SL Deletion of HM62256BLTM-8SL Addition of HM62256BLFP-4SLT/5SLT/7ULT Addition of HM62256BLTM-4SLT/5SLT/7ULT Features Fast access time: 70/85/100/120 ns to 45/55/70/85 ns ...

Page 20

HM62256B Series Revision Record (cont.) Rev. Date Contents of Modification 3.0 Jun. 19, 1995 AC Characteristics t min: 30/35/40/ 20/25/30/ max: 25/30/35/ 20/20/25/30 ns OHZ Low V Data Retention Characteristics CC Addition of ...

Related keywords