PSD933312MIT 데이터 시트보기 (PDF) - STMicroelectronics

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PSD933312MIT

Flash In-System Programmable (ISP) Peripherals for 8-bit MCUs, 5V

STMicroelectronics 

PSD813F2, PSD833F2, PSD834F2, PSD853F2, PSD854F2

Table 44. Capacitance

Symbol

Parameter

Test Condition

CIN

COUT

Input Capacitance (for input pins)

Output Capacitance (for input/

output pins)

VIN = 0V

VOUT = 0V

CVPP

Capacitance (for CNTL2/VPP)

VPP = 0V

Note: 1. Sampled only, not 100% tested.

2. Typical values are for TA = 25°C and nominal supply voltages.

Typ.2

4

8

18

Max.

6

12

25

Unit

pF

pF

pF

Figure 37. AC Measurement I/O Waveform

Figure 38. AC Measurement Load Circuit

3.0V

0V

Test Point

1.5V

AI03103b

Device

Under Test

2.01 V

195 Ω

CL = 30 pF

(Including Scope and

Jig Capacitance)

AI03104b

Figure 39. Switching Waveforms – Key

WAVEFORMS

INPUTS

STEADY INPUT

OUTPUTS

STEADY OUTPUT

MAY CHANGE FROM

HI TO LO

MAY CHANGE FROM

LO TO HI

WILL BE CHANGING

FROM HI TO LO

WILL BE CHANGING

LO TO HI

DON'T CARE

OUTPUTS ONLY

CHANGING, STATE

UNKNOWN

CENTER LINE IS

TRI-STATE

AI03102

77/110

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