STM6502 datasheet(17/29 Pages) STMICROELECTRONICS

17 / 29 page

STM6502, STM6503, STM6504, STM6505

DC and AC parameters

Doc ID 16101 Rev 5

17/29

Table 6.

DC and AC characteristics

Symbol

Parameter

Test conditions(1)

Min.

Typ.(2)

Max.

Unit

VCC

Supply voltage range

Reset output valid - active-low

1.0

5.5

ICC

Supply current (inputs in

their inactive state)

STM6502

VCC = 5.0 V

1.2

µA

VCC = 3.0 V

(3)

1.1

µA

STM6503

VCC = 5.0 V, TSR left open

5.8

µA

VCC = 3.0 V, TSR left open

(3)

3µA

STM6504

VCC = 5.0 V, TSR left open

5.8

µA

VCC = 3.0 V, TSR left open

(3)

3µA

STM6505

VCC = 5.0 V

2.3

3.3

µA

VCC = 3.0 V

(3)

2.2

µA

Output characteristics

VOL

Reset output voltage low

(reset asserted: RST, BLD)

VCC ≥ 4.5 V, sinking 3.2 mA

0.3

VCC ≥ 3.3 V, sinking 2.5 mA

0.3

VCC ≥ 1.0 V, sinking 0.1 mA

0.3

tREC

Reset timeout delay,

factory-programmed

Option A

140

210

280

Option B

240

360

480

VCC monitoring reset thresholds

VRST

Fixed voltage trip point for

VCC monitoring (refer to

Table 7)

–40 to +85 °C

VRST

–2.5%

VRST

+2.5%

25 °C

VRST

–2.0%

VRST

+2.0%

VHYST

Hysteresis of VRST

L, M

0.5%

T, S, R, Z, Y, W, V

VCC to reset delay

VCC falling from

(VRST + 100 mV) to (VRST - 100 mV) at

10 mV/µs(4)

µs

VBAT monitoring

VBATTH

Fixed VBAT monitoring

threshold

STM6505 only

1.225

1.25

1.275

VBATHYST

VBATTH hysteresis

STM6505 only

ILI(VBAT)

VBAT input leakage current

STM6505 only

–100

100

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