Cypress Semiconductor Perform CY8C24x94 Specifications download pdf (Page 39)

CY8C24123A

CY8C24223A

CY8C24423A

Document Number: 38-12028 Rev. *V Page 39 of 71

Table 30. 2.7-V AC Chip-Level Specifications

Symbol Description Min Typ Max Units Notes

IMO12

IMO frequency for 12 MHz 11.5 12 12.7

[27, 28]

MHz Trimmed for 2.7 V operation using

factory trim values.

See Figure 8 on page 18.

SLIMO mode = 1.

IMO6

IMO frequency for 6 MHz 5.5 6 6.5

[27, 28]

MHz Trimmed for 2.7 V operation using

factory trim values.

See Figure 8 on page 18.

SLIMO mode = 1.

CPU1

CPU frequency (2.7 V nominal)

0.937

3.15

[27]

MHz

SLIMO mode = 0.

BLK27

Digital PSoC block frequency

(2.7 V nominal)

0 12 12.7

[27, 28]

MHz

Refer to the AC Digital Block

Specifications.

32K1

ILO frequency 8 32 96 kHz

32K_U

ILO untrimmed frequency 5 – 100 kHz After a reset and before the M8C

starts to run, the ILO is not trimmed.

See the System Resets section of

the PSoC Technical Reference

Manual for details on timing this

XRST

External reset pulse width 10 – – µs

DC12M 12 MHz duty cycle 40 50 60 %

ILO

ILO duty cycle 20 50 80 %

MAX

Maximum frequency of signal on row input

or row output.

– – 12.7 MHz

POWER_UP

Power supply slew rate – – 250 V/ms V

slew rate during power-up.

POWERUP

Time from end of POR to CPU executing

code

– 16 100 ms Power-up from 0 V. See the System

Resets section of the PSoC

Technical Reference Manual.

jit_IMO

[29]

12 MHz IMO cycle-to-cycle jitter (RMS) – 400 1000 ps N = 32

12 MHz IMO long term N cycle-to-cycle

jitter (RMS)

– 600 1300 ps

12 MHz IMO period jitter (RMS) – 100 500 ps

jit_PLL

[29]

12 MHz IMO cycle-to-cycle jitter (RMS) – 400 1000 ps N = 32

12 MHz IMO long term N cycle-to-cycle

jitter (RMS)

– 700 1300

12 MHz IMO period jitter (RMS) – 300 500

Notes

27. 2.4 V < V

< 3.0 V.

28. Refer to application note Adjusting PSoC

Trims for 3.3 V and 2.7 V Operation – AN2012 for information on trimming for operation at 3.3 V.

29. Refer to Cypress Jitter Specifications application note, Understanding Datasheet Jitter Specifications for Cypress Timing Products – AN5054 for more information.

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