FM27C256 Просмотр технического описания (PDF) - Fairchild Semiconductor

Номер в каталоге

Компоненты Описание

производитель

FM27C256

262,144-Bit (32K x 8) High Performance CMOS EPROM

Fairchild Semiconductor 

Programming Characteristics (Note 12) (Note 13) (Note 14) (Note 15)

Symbol

tAS

tOES

tVPS

tVCS

tDS

tAH

tDH

tDF

tPW

tOE

IPP

ICC

TA

VCC

VPP

tFR

VIL

VIH

tIN

tOUT

Parameter

Address Setup Time

OE Setup Time

VPP Setup Time

VCC Setup Time

Data Setup Time

Address Hold Time

Data Hold Time

Output Enable to Output

Float Delay

Program Pulse Width

Data Valid from OE

VPP Supply Current

during Programming Pulse

VCC Supply Current

Temperature Ambient

Power Supply Voltage

Programming Supply Voltage

Input Rise, Fall Time

Input Low Voltage

Input High Voltage

Input Timing Reference Voltage

Output Timing Reference Voltage

Conditions

CE = VIL

CE = VIL

CE = VIL

Min

Typ

1

1

1

1

1

0

1

0

45

50

20

25

6.25

6.5

12.5

12.75

5

0.0

2.4

4.0

0.8

0.8

Programming Waveforms (Note 14)

PROGRAM

ADDRESSES 2.0V

0.8V

2.0V

DATA 0.8V

VCC 5.25V

ADDRESS N

tAS

DATA IN STABLE

ADD N

tDS

tDH

tVCS

PROGRAM

VERIFY

tAH

DATA OUT VALID

ADD N

tDF

Max

60

105

100

30

50

30

6.75

13.0

0.45

2.0

2.0

Units

µs

µs

µs

µs

µs

µs

µs

ns

µs

ns

mA

mA

°C

V

V

ns

V

V

V

V

VPP 12.75V

tVPS

2.0V

CE 0.8V

2.0V

OE 0.8V

tOES

tOE

tPW

DS800034-5

Note 12: Fairchild’s standard product warranty applies to devices programmed to specifications described herein.

Note 13: VCC must be applied simultaneously or before VPP and removed simultaneously or after VPP. The EPROM must not be inserted into or removed from a board with

voltage applied to VPP or VCC.

Note 14: The maximum absolute allowable voltage which may be applied to the VPP pin during programming is 14V. Care must be taken when switching the VPP supply to

prevent any overshoot from exceeding this 14V maximum specification. At least a 0.1 µF capacitor is required across VPP, VCC to GND to suppress spurious voltage transients

which may damage the device.

Note 15: During power up the PGM pin must be brought high (≥ VIH) either coincident with or before power is applied to VPP.

FM27C256

5

www.fairchildsemi.com

Share Link: