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Freescale Semiconductor, Inc.
CAPACITANCE (Periodically Sampled Rather Than 100% Tested)
Input Capacitance
I/O Capacitance
Parameter
Symbol
Cin
CI/O
Min
—
—
Max
5
8
Unit
pF
pF
JUNCTION TO AMBIENT THERMAL CHARACTERISTICS
Board
1 Layer
1 Layer
Air (LFPM)
0
200
θ JA ( ° C/W)
43
36
.
IN
OR
CT
U Noted)
ND
IC
SE
Output M Load . . . . . . . . . . . . . . . . . . Figure 1 Unless Otherwise Noted
E
AL
C and Listed Values are for tKHKH = 20 ns)
S
EE
FR
BY
tAVSL
D
IV
E
tDTLAX
RC
A
tDTLDX
4 Layer 0 33
4 Layer 200 29 C
,
AC OPERATING CONDITIONS AND CHARACTERISTICS
(VDD = 3.3 V ± 5%, TJ < 120 ° C, Unless Otherwise
O
Input Timing Measurement Reference Level . . . . . . . . . . . . . . . 1.5 V Output Timing Reference Level . . . . . . . . . . . . . . . . . . . . . . . . . . 1.5 V
Input Pulse Levels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 to 3.0 V
Input Rise/Fall Time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 ns
CONTROL PORT TIMINGS
(Voltages Referenced to VSS = 0 V, Max’s are tKHKH Dependent
Parameter Symbol Min Max Unit Notes
Address Valid to SEL Low 0 — ns
DTACK Low to Address Invalid 0 — ns
Data Valid to Select Low H tDVSL 0 — ns
DTACK Low to Data Invalid 0 — ns
Output Valid to DTACK Low
WE Valid to Select Low
DTACK Low to WE High
WE High to Output Active
tQVDTL
tWVSL
tDTLWH
tWHQX
2
0
0
2
—
—
—
—
ns
ns
ns
ns
Select Low to DTACK Low
Select High to DTACK High
DTACK Low to IRQ Low
IRQ Low to IRQ High
DTACK Low to Select High
DTACK High to Select Low
Address Valid to Output Valid
Select High to Output High Impedance
RESET Low to RESET High
tSLDTL
tSHDTH
tDTLIL
tILIH
tDTLSH
tDTHSL
tAVQV
tSHQZ
tRLRH
10
10
10
20
0
0
—
—
tKHKH
—
—
—
—
—
—
8
8
—
ns
ns
ns
ns
ns
ns
ns
ns
ns
1
2
NOTES:
1. DTACK is delayed when a write is attempted during certain operations. See Functional Description.
2. RESET must be held low for one clock cycle, except when powering up the SCM69C432. RESET must be held low for 1 second in that case.
MOTOROLA FAST SRAM
For More Information On This Product,
Go to: www.freescale.com
MCM69C432 ? SCM69C432
5
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