23C256 데이터 시트보기 (PDF) - Holtek Semiconductor

부품명

상세내역

제조사

23C256

CMOS 32K×8-Bit Mask ROM

Holtek Semiconductor 

HT23C256

Supply voltage: 4.5V~5.5V

Ta=–40°C to 85°C

Symbol

Parameter

VCC

Operating Voltage

ICC

Operating Current

Test Conditions

VCC Conditions

—

—

5V

O/P Unload,

f=5MHz

Min. Typ. Max. Unit

4.5 — 5.5 V

— — 25 mA

VIL

VIH

VOL

VOH

ILI

ILO

ISTB1

ISTB2

CIN

COUT

Input Low Voltage

Input High Voltage

Output Low Voltage

Output High Voltage

Input Leakage Current

Output Leakage Current

Standby Current

Standby Current

Input Capacitance (See note)

Output Capacitance (See note)

5V

—

5V

—

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

VSS — 0.8 V

2.2 — VCC V

— — 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

250

—

150

—

ns

Address Access Time

—

250

—

150

ns

Chip Enable Access Time

—

250

—

150

ns

Output Enable Access Time

—

150

—

80

ns

Output Hold Time

—

—

10

—

ns

Output Disable Time (See Note)

—

—

—

70

ns

Output Enable Time (See Note)

—

—

10

—

ns

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

4

24th Aug ’98

Share Link: