Datasheet > 27C512A10L

27C512A10L

更新时间： 2022-01-19 11:34:00

品牌	Logo	应用领域
其他 - ETC		可编程只读存储器电动程控只读存储器
页数	文件大小	规格书
12页	127K
描述
x8 EPROM

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27C512A10L 数据手册

27C512A

TABLE 1-3:

READ OPERATION AC CHARACTERISTICS

AC Testing Waveform:

Output Load:

VIH = 2.4V and VIL = .45V; VOH = 2.0V and VOL = 0.8V

1 TTL Load + 100 pF

Input Rise and Fall Times: 10 ns

Ambient Temperature:

Commercial:

Tamb = 0˚C to +70˚C

Industrial:

Extended (Automotive):

Tamb = -40˚C to +85˚C

Tamb = -40˚C to +125˚C

27C512-90*

Sym

27C512-10*

27C512-12

27C512-15

Parameter

Units Conditions

Min

Max

Min

Max

Min

Max

Min

Max

Address to Output

Delay

tACC

tCE

—

100

—

120

—

150

CE = OE/

VPP = VIL

CE to Output Delay

—

100

—

120

—

150

OE/VPP =

VIL

OE to Output Delay

tOE

—

CE = VIL

OE to Output High

Impedance

tOFF

Output Hold from

Address, CE or OE/

VPP, whichever

occurred ﬁrst

tOH

—

*90/10 AC Testing Waveforms: VIH = 3.0V and VIL = 0V; VOH = 1.5V and VOL = 1.5V

Output Load: 1 TTL Load + 30 pF

FIGURE 1-1: READ WAVEFORMS

VIH

Address Valid

Address

VIL

VIH

VIL

tCE(2)

VIH

VIL

tOFF(1,3)

tOH

tOE(2)

VOH

VOL

Outputs

O0 - O7

High Z

Valid Output

tACC

Notes: (1) tOFF is specified for OE or CE, whichever occurs first

(2) OE may be delayed up to tCE - tOE after the falling edge of CE without impact on tCE

(3) This parameter is sampled and is not 100% tested.

1998 Microchip Technology Inc.

DS11173F-page 3

This Material Copyrighted by Its Respective Manufacturer

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