HM6208HLP-25 HITACHI, HM6208HLP-25 Datasheet

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HM6208HLP-25

Manufacturer Part Number
HM6208HLP-25
Description
65,536-word ? 4-bit High Speed CMOS Static RAM
Manufacturer
HITACHI
Datasheet

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Part Number
Manufacturer
Quantity
Price
Part Number:
HM6208HLP-25
Manufacturer:
HITACHI/日立
Quantity:
20 000
Features
Ordering Information
Type No.
HM6208HP-25
HM6208HP-35
HM6208HP-45
HM6208HLP-25
HM6208HLP-35
HM6208HLP-45
HM6208HJP-25
HM6208HJP-35
HM6208HJP-45
HM6208HLJP-25
HM6208HLJP-35
HM6208HLJP-45
Single 5 V supply and high density 24-pin package
High speed: Access time 25/35/45 ns (max)
Low power
Completely static memory required
Equal access and cycle time
Directly TTL compatible: All inputs and outputs
Battery backup operation capability (L-version)
Operation: 300 mW (typ)
Standby: 100 W (typ)
No clock or timing strobe required
30 W (typ) (L-version)
65,536-word
Access Time
25 ns
35 ns
45 ns
25 ns
35 ns
45 ns
25 ns
35 ns
45 ns
25 ns
35 ns
45 ns
HM6208H Series
4-bit High Speed CMOS Static RAM
Package
300-mil, 24-pin plastic DIP (DP-24NC)
300-mil, 24-pin SOJ (CP-24D)

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HM6208HLP-25 Summary of contents

Page 1

... Completely static memory required No clock or timing strobe required Equal access and cycle time Directly TTL compatible: All inputs and outputs Battery backup operation capability (L-version) Ordering Information Type No. Access Time HM6208HP- HM6208HP- HM6208HP- HM6208HLP- HM6208HLP- HM6208HLP- HM6208HJP- HM6208HJP- HM6208HJP- HM6208HLJP- HM6208HLJP-35 ...

Page 2

HM6208H Series Pin Arrangement Pin Description Pin Name Function A0–A15 Address I/O1–I/O4 lnput/output CS Chip select WE Write enable V Power supply CC V Ground ...

Page 3

Block Diagram A14 A15 I/O1 I/O2 I/O3 I/ Truth Table CS WE Mode H Not selected L H Read L L Write Note: : Don’t care. Absolute Maximum Ratings Parameter Voltage on ...

Page 4

HM6208H Series Recommended DC Operating Conditions ( +70 C) Parameter Symbol Supply voltage V V Input high (logic 1) voltage V Input low (logic 0) voltage V Note min = –2.0 V for pulse width ...

Page 5

AC Characteristics ( + Test Conditions Input pulse levels 3 Input rise and fall time Input and output timing reference levels: 1.5 V Output load: See figure Output Load ...

Page 6

HM6208H Series Read Timing Waveform (1) Address Dout Notes high for read cycle. 2. Device is continuously selected. Read Timing Waveform (2) CS Dout V CC supply I CC current I SB Notes high ...

Page 7

Write Cycle Parameter Write cycle time Chip selection to end of write Address valid to end of write Address setup time Write pulse width Write recovery time Data valid to end of write Data hold time Write enabled to output ...

Page 8

HM6208H Series Write Timing Waveform (1) (WE Controlled) Address Din Dout Notes write occurs during the overlap of a low CS and a low measured from the earlier of ...

Page 9

Write Timing Waveform (2) (CS Controlled) Address CS WE Din Dout Notes write occurs during the overlap of a low CS and a low measured from the earlier going ...

Page 10

HM6208H Series Low V Data Retention Characteristics ( + These characteristics are guaranteed for the L-version only. Parameter V for data retention CC Data retention current Chip deselect to data retention time t Operation recovery ...

Page 11

Package Dimensions HM6208HP/HLP Series (DP-24NC 1.14 1.27 Max 2.54 ± 0.25 HM6208HJP/HLJP Series (CP-24D) 0.43 ± 0.10 29.88 30.48 Max 13 12 1.30 0.48 ± 0.10 15.63 16.00 Max 0.74 1.30 Max 1.27 0.10 ...

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