M48T35 datasheet(7/18 Pages) STMICROELECTRONICS

部件名	M48T35

功能描述	256 Kbit 32Kb x8 TIMEKEEPER SRAM

PDF	18 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

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M48T35, M48T35Y

Figure 6. Read Mode AC Waveforms.

Note: Write Enable (W) = High.

AI00925

tAVAV

tAVQV

tAXQX

tELQV

tELQX

tEHQZ

tGLQV

tGLQX

tGHQZ

VALID

A0-A14

DQ0-DQ7

VALID

Table 9. Read Mode AC Characteristics

(TA = 0 to 70 °C or –40 to 85 °C; VCC = 4.75V to 5.5V or 4.5V to 5.5V)

Note: 1. CL = 100pF.

2. CL = 5pF.

Symbol

Parameter

M48T35 / M48T35Y

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

(2)

Chip Enable Low to Output Transition

tGLQX

(2)

Output Enable Low to Output Transition

tEHQZ

(2)

Chip Enable High to Output Hi-Z

tGHQZ

(2)

Output Enable High to Output Hi-Z

tAXQX

(1)

Address Transition to Output Transition

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