HT23C128 データシートの表示（PDF） - Holtek Semiconductor

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HT23C128

CMOS 16K×8-Bit Mask ROM

Holtek Semiconductor 

HT23C128

Symbol

Parameter

VOL

VOH

ILI

ILO

ISTB1

Output Low Voltage

Output High Voltage

Input Leakage Current

Output Leakage Current

Standby Current

ISTB2

CIN

COUT

Standby Current

Input Capacitance (See note)

Output Capacitance (See note)

Test Conditions

VCC Conditions

5V IOL=3.2mA

5V IOH=–1mA

5V VIN=0 to VCC

5V VOUT=0 to VCC

5V

CE=VIL

CE=VIH

5V

CE≤0.2V

CE≥VCC-0.2V

— f=1MHz

— f=1MHz

Min. Typ. Max. Unit

— — 0.4 V

2.4 — VCC V

—

—

10 µA

—

—

10 µA

— — 1.5 mA

—

—

30 µA

— — 10 pF

— — 10 pF

Note: These parameters are periodically sampled but not 100% tested.

A.C. Characteristics

Ta=–40°C to 85°C

Symbol

Parameter

VCC=2.7V~3.6V VCC=4.5V~5.5V

Unit

Min. Max. Min. Max.

tCYC

tAA

tACE

tAOE

tOH

tOD

tOE

Cycle Time

Address Access Time

Chip Enable Access Time

Output Enable Access Time

Output Hold Time

Output Disable Time (See Note)

Output Enable Time (See Note)

250

—

150

—

ns

—

250

—

150

ns

—

250

—

150

ns

—

150

—

80

ns

—

—

10

—

ns

—

—

—

70

ns

—

—

10

—

ns

Note: These parameters are periodically sampled but not 100% tested.

A.C. test conditions

Output load: see figure right

Input rise and fall time: 10ns

Input pulse levels: 0.4V to 2.4V

Input and output timing reference levels:

0.8V and 2.0V (VCC=5V)

1.5V (VCC=3V)

Output load circuit

4

24th Aug ’98

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