M68Z512 datasheet(5/12 Pages) STMICROELECTRONICS

Part #	M68Z512

Description	4 Mbit 512Kb x8 Low Power SRAM with Output Enable

PDF	12 Pages

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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M68Z512

Figure 5. Address Controlled, Read Mode AC Waveforms

Note: E = Low, G = Low, W = High.

AI03034

tAVAV

tAVQV

tAXQX

A0-A18

DQ0-DQ7

VALID

DATA VALID

Table 7. Read and Standby Modes AC Characteristics

(TA = 0 to 70°C; VCC = 5V ±10%)

Note: 1. CL = 100pF.

2. CL = 5pF.

3. At any given temperature and voltage condition, tEHQZ is less than tELQX and tGHQZ is less than tGLQX for any given device.

Symbol

Parameter

M68Z512

Unit

-70

Min

Max

tAVAV

Read Cycle Time

tAVQV

(1)

Address Valid to Output Valid

tELQV

(1)

Chip Enable Low to Output Valid

tGLQV

(1)

Output Enable Low to Output Valid

tELQX

(3)

Chip Enable Low to Output Transition

tGLQX

(3)

Output Enable Low to Output Transition

tEHQZ

(2,3)

Chip Enable High to Output Hi-Z

tGHQZ

(2,3)

Output Enable High to Output Hi-Z

tAXQX

(1)

Address Transition to Output Transition

tPU

Chip Enable Low to Power Up

tPD

Chip Enable High to Power Down

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