M48T59VSH 查看數據表（PDF） - STMicroelectronics

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M48T59VSH

64 Kbit (8Kb x8) TIMEKEEPER® SRAM

STMicroelectronics 

M48T59, M48T59Y, M48T59V

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 or 3.0V to 3.6V)

M48T59/M48T59Y/M48T59V

Symbol

Parameter

-70

Min

Max

tAVAV Read Cycle Time

70

tAVQV (1) Address Valid to Output Valid

70

tELQV (1) Chip Enable Low to Output Valid

70

tGLQV (1) Output Enable Low to Output Valid

35

tELQX (2) Chip Enable Low to Output Transition

5

tGLQX (2) Output Enable Low to Output Transition

5

tEHQZ (2) Chip Enable High to Output Hi-Z

25

tGHQZ (2) Output Enable High to Output Hi-Z

25

tAXQX (1) Address Transition to Output Transition

10

Note: 1. CL = 100pF (see Fig 4).

2. CL = 5pF (see Fig 4).

Unit

ns

ns

ns

ns

ns

ns

ns

ns

ns

Figure 6. Read Mode AC Waveforms.

A0-A12

E

G

DQ0-DQ7

Note: Write Enable (W) = High.

tAVQV

tELQV

tAVAV

VALID

tELQX

tGLQV

tGLQX

tAXQX

tEHQZ

tGHQZ

VALID

AI01385

6/21

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