M41T94MH6E(2007) View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

M41T94MH6E
(Rev.:2007)

Serial real-time clock with 44 bytes NVRAM and reset

STMicroelectronics 

M41T94

Operation

Table 3. AC characteristics

Symbol

Parameter(1)

Min

Max

Unit

fSCL

tCH(2)

tCHCL(3)

Serial clock input frequency

Clock high

Clock transition (fall time)

DC

2

MHz

200

ns

1

µs

tCHDX Serial clock input high to input data transition

50

ns

tCHEH

tCL(2)

tCLCH(3)

Serial clock input high to chip enable high

Clock low

Clock transition (rise time)

200

ns

200

ns

1

µs

tCLQV

Serial clock input low to output valid

150

ns

tCLQX

tDHDL(3)

tDLDH(3)

Serial clock input low to output data transition

Input data transition (fall time)

Input data transition (rise time)

0

ns

1

µs

1

µs

tDVCH Input data to serial clock input high

40

ns

tEHCH Chip enable high to serial clock input high

200

ns

tEHEL

tEHQZ(3)

Chip enable high to chip enable low

Chip enable high to output high-z

200

ns

250

ns

tELCH

tQHQL(3)

tQLQH(3)

Chip enable low to serial clock input high

Output data transition (fall time)

Output data transition (rise time)

200

ns

100

ns

100

ns

1. Valid for ambient operating temperature: TA = –40 to 85°C; VCC = 2.7 to 5.5V (except where noted).

2. tCH + tCL ≥ 1/fSCL

3. Value guaranteed by design, not 100% tested in production.

15/41

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