M50LPW040 Datasheet, PDF (21/36 Pages) STMicroelectronics – 4 Mbit 512Kb x8, Uniform Block 3V Supply Low Pin Count Flash Memory

M50LPW040
Table 21. LPC Interface Clock Characteristics
(T_A = 0 to 70°C or –20 to 85°C; V_CC = 3.0 to 3.6V)
Symbol
Parameter
Test Condition
Value
Unit
t_CYC
CLK Cycle Time⁽¹⁾
Min
30
ns
t_HIGH CLK High Time
Min
11
ns
t_LOW
CLK Low Time
Min
11
ns
CLK Slew Rate
Min
1
peak to peak
Max
4
V/ns
V/ns
Note: 1. Devices on the PCI Bus must work with any clock frequency between DC and 33MHz. Below 16MHz devices may be guaranteed
by design rather than tested. Refer to PCI Specification.
Figure 9. LPC Interface Clock Waveform
0.6 VCC
0.5 VCC
0.4 VCC
0.3 VCC
0.2 VCC
tHIGH
tCYC
tLOW
0.4 VCC, _p-to-p
(minimum)
AI03403
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