M36DR232 datasheet(35/46 Pages) STMICROELECTRONICS

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M36D232A, M36DR232B

Table 31. SRAM Read AC Characteristics

(TA = –40 to 85°C; VDDS = 1.65V to 2.2V)

Note: 1. Sampled only. Not 100% tested.

Figure 16. SRAM Read Mode AC Waveforms, Address Controlled with UBS =LBS =VIL

Note: E1S = Low, E2S = High, GS =Low, WS = High.

Symbol

Alt

Parameter

SRAM

Unit

Min

Max

tAVAV

tRC

Read Cycle Time

tAVQV

tAA

Address Valid to Output Valid

tAXQX

tOH

Address Transition to Output Transition

tBHQZ

tBHZ

UBS, LBS Disable to Hi-Z Output

tBLQV

tBA

UBS, LBS Access Time

tBLQX

tBLZ

UBS, LBS Enable to Low-Z Output

tE1HQZ

tHZ1

Chip Enable 1 High to Output Hi-Z

tE1LQV

tCO1

Chip Enable 1 Low to Output Valid

tE1LQX

tLZ1

Chip Enable 1 Low to Output Transition

tE2HQV

tCO2

Chip Enable 2 High to Output Valid

tE2HQX

tLZ2

Chip Enable 2 High to Output Transition

tE2LQZ

tHZ2

Chip Enable 2 Low to Output Hi-Z

tGHQZ

tOHZ

Output Enable High to Output Hi-Z

tGLQV

tOE

Output Enable Low to Output Valid

tGLQX

tOLZ

Output Enable Low to Output Transition

tPD

(1)

Chip Enable 1 High or Chip Enable 2 Low to Power

Down

tPU

(1)

Chip Enable 1 Low or Chip Enable 2 High to Power Up

AI04115

tAVAV

tAVQV

tAXQX

A0-A16

DQ0-DQ15

VALID

DATA VALID

PROCED

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