HIT HM6264AFP-10, HM6264AFP-15, HM6264ALFP-10, HM6264ASP-15, HM6264ALSP-10 Datasheet

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HM6264A Series

8192-word × 8-bit High Speed CMOS Static RAM

Features

Access

 

Type No.

time

Package

Low-power standby

0.1 mW (typ)

10 µW (typ) L-/LL-version

Low power operation

15 mW/MHz (typ)

Fast access time

l00/120/150 ns (max)

Single +5 V supply

Completely static memory

No clock or timing strobe required

Equal access and cycle time

Common data input and output, three-state output

Directly TTL compatible

All inputs and outputs

Battery back up operation capability (L-/LL-version)

HM6264ASP-10

100 ns

 

 

HM6264ASP-12

120 ns

 

 

HM6264ASP-15

150 ns

 

 

HM6264ALSP-10

100 ns

 

 

HM6264ALSP-12

120 ns

 

 

HM6264ALSP-15

150 ns

 

 

HM6264ALSP-10L 100 ns

HM6264ALSP-12L 120 ns

HM6264ALSP-15L 150 ns

300-mil, 28-pin plastic DIP (DP-28N)

Ordering Information

 

Access

 

Type No.

time

Package

 

 

 

HM6264AP-10

100 ns

600-mil, 28-pin

 

 

plastic DIP

HM6264AP-12

120 ns

(DP-28)

 

 

 

HM6264AP-15

150 ns

 

 

 

 

HM6264ALP-10

100 ns

 

 

 

 

HM6264ALP-12

120 ns

 

 

 

 

HM6264ALP-15

150 ns

 

 

 

 

HM6264ALP-10L

100 ns

 

 

 

 

HM6264ALP-12L

120 ns

 

 

 

 

HM6264ALP-15L

150 ns

 

 

 

 

HM6264AFP-10

100 ns

 

 

HM6264AFP-12

120 ns

 

 

HM6264AFP-15

150 ns

 

 

HM6264ALFP-10

100 ns

 

 

HM6264ALFP-12

120 ns

 

 

28-pin plastic SOP *1 (FP-28D/DA)

HM6264ALFP-15 150 ns

HM6264ALFP-10L 100 ns

HM6264ALFP-12L 120 ns

HM6264ALFP-15L 150 ns

Note: 1. T is added to the end of the type number for a SOP of 3.00 mm (max) thickness.

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HIT HM6264AFP-10, HM6264AFP-15, HM6264ALFP-10, HM6264ASP-15, HM6264ALSP-10 Datasheet

HM6264A Series

 

 

HM6264A Series

Pin Arrangement

 

 

 

 

 

 

 

 

NC

1

28

VCC

 

A12

2

27

WE

 

A7

3

26

CS2

 

A6

4

25

A8

 

A5

5

24

A9

 

 

 

A4

6

23

A11

 

A3

7

22

OE

 

A2

8

21

A10

 

A1

9

20

CS1

 

A0

10

19

I/O8

 

I/O1

11

18

I/O7

 

I/O2

12

17

I/O6

 

13

16

I/O5

 

I/O3

 

14

15

I/O4

 

VSS

 

 

(Top view)

 

 

 

 

 

 

 

Block Diagram

A11

 

 

 

 

A8

 

 

 

VCC

A9

Row

Memory array

A7

VSS

decoder

256 × 256

A12

A5

 

 

 

 

A6

 

 

 

 

A4

 

 

 

 

I/O1

 

Column I/O

 

 

 

 

 

Input

Column decoder

 

 

data

 

 

 

 

 

 

control

 

 

 

I/O8

 

A1 A2A0A10

A3

 

 

 

 

CS2

Timing pulse generator

 

 

CS1

 

 

 

 

 

 

WE

 

 

 

 

OE

 

 

 

 

2

 

HM6264A Series

 

 

 

HM6264A Series

 

Truth Table

 

 

 

 

 

 

 

 

WE

CS1

CS2

OE

Mode

I/O pin

VCC current

Note

 

 

 

 

 

 

 

 

 

 

 

×

H

×

×

Not selected

High Z

ISB, ISB1

 

 

 

 

 

 

 

 

(power down)

 

 

 

 

 

 

 

 

 

 

High Z

ISB, ISB1

 

 

×

×

L

×

 

 

 

 

 

 

H

L

H

H

Output disabled

High Z

ICC

 

 

 

H

L

H

L

Read

Dout

ICC

Read cycle

 

 

L

L

H

H

Write

Din

ICC

Write cycle 1

 

 

L

L

H

L

Write

Din

ICC

Write cycle 2

 

Note:

×: Don’t care.

 

 

 

 

 

 

Absolute Maximum Ratings

Parameter

 

Symbol

Rating

Unit

 

 

 

 

Terminal voltage *1

VT

–0.5 *2 to +7.0

V

Power dissipation

PT

1.0

W

Operating temperature

Topr

0 to +70

°C

 

 

 

 

Storage temperature

Tstg

–55 to +125

°C

 

 

 

 

Storage temperature (under bias)

Tbias

–10 to +85

°C

 

 

 

 

 

Notes: 1.

With respect to VSS.

 

 

 

2.

–3.0 V for pulse width ≤ 50 ns

 

 

Recommended DC Operating Conditions (Ta = 0 to +70°C)

Parameter

Symbol

Min

Typ

Max

Unit

 

 

 

 

 

 

Supply voltage

VCC

4.5

5.0

5.5

V

 

VSS

0

0

0

V

Input voltage

VIH

2.2

6.0

V

 

VIL

–0.3 *1

0.8

V

Note: 1. –3.0 V for pulse width ≤ 50 ns

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