HM628512 datasheet(6/15 Pages) HITACHI-METALS

Part #	HM628512

Description	524288-word x 8-bit High Speed CMOS Static RAM

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Manufacturer	HITACHI-METALS [Hitachi Metals, Ltd]

Direct Link	http://www.hitachi-metals.co.jp/e

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HM628512 Series

6

DC Characteristics (Ta = 0 to +70

°C, V

CC = 5 V ±10% , VSS = 0 V)

Parameter

Symbol Min Typ

*1

Max

Unit

Test Conditions

Input leakage current

|I

LI|—

—

1

µA

Vin = V

SS to V CC

Output leakage current

|I

LO|—

—

1

µA

CS = V

IH or OE = VIH or

WE = V

IL, VI/O = VSS to V CC

Operating power supply current: DC

I

CC READ

—15

25

mA

CS = V

IL, WE = VIH

others = V

IH/V IL, II/O = 0 mA

I

CC WRITE

—20

45

mA

CS = V

IL, WE = VIL

others = V

IH/V IL, II/O = 0 mA

Operating power supply current

-5/7A I

CC1

—

70

100

mA

Min cycle, duty = 100%

-7

I

CC1

—60

90

mA

CS = V

IL, others = VIH/V IL

I

I/O = 0 mA

Operating power supply current

I

CC2

—

15

30

mA

Cycle time = 1

µs,

duty = 100%

I

I/O = 0 mA, CS ≤ 0.2 V

V

IH ≥ V CC – 0.2 V, VIL ≤ 0.2

V

Standby power supply current: DC

I

SB

—1

3

mA

CS = V

IH

Standby power supply current (1): DC

I

SB1

—

0.02

2

mA

Vin

≥ 0 V, CS ≥ V

CC – 0.2 V

—

2

100

*2

µA

—2

50

*3

µA

Output low voltage

V

OL

—

0.4

V

I

OL = 2.1 mA

Output high voltage

V

OH

2.4

—

V

I

OH = –1.0 mA

Notes: 1. Typical values are at V

CC = 5.0 V, Ta = +25°C and specified loading, and not guaranteed.

2. This characteristics is guaranteed only for L version.

3. This characteristics is guaranteed only for L-SL version.

Capacitance (Ta = 25

°C, f = 1 MHz)

Parameter

Symbol

Typ

Max

Unit

Test Conditions

Input capacitance

*1

Cin

—

8

pF

Vin = 0 V

Input/output capacitance

*1

C

I/O

—10

pF

V

I/O = 0 V

Note:

1. This parameter is sampled and not 100% tested.

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HM628512 Datasheet(PDF) 6 Page - Hitachi Metals, Ltd

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