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MPC823 датащи(PDF) 27 Page - Freescale Semiconductor, Inc

номер детали MPC823
подробное описание детали  This document contains detailed information on power considerations, DC/AC electrical characteristics, and AC timing specifications for the MPC823.
PDF  70 Pages
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производитель  FREESCALE [Freescale Semiconductor, Inc]
домашняя страница  http://www.freescale.com
Logo FREESCALE - Freescale Semiconductor, Inc

MPC823 датащи(HTML) 27 Page - Freescale Semiconductor, Inc

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MPC823 ELECTRICAL SPECIFICATIONS
27
Table 3. PCMCIA Timing
NUM
CHARACTERISTIC
25MHZ
40MHZ
50MHZ
UNIT
MIN
MAX
MIN
MAX
MIN
MAX
P44
A(6:31), REG valid to PCMCIA strobe asserted
28
Ñ
13
Ñ
13
Ñ
ns
P45
A(6:31), REG valid to ALE negation
38
Ñ
18
Ñ
18
Ñ
ns
P46
CLKOUT to REG valid
10
19
5
13
5
13
ns
P47
CLKOUT to REG invalid
11
Ñ6Ñ6Ñ
ns
P48
CLKOUT to CE1, CE2 asserted
10
19
5
13
5
13
ns
P49
CLKOUT to CE1, CE2 negated
10
19
5
13
5
13
ns
P50
CLKOUT to PCOE, IORD, PCWE, IOWR assert
time
Ñ12Ñ11Ñ11
ns
P51
CLKOUT to PCOE, IORD, PCWE, IOWR negate
time
312211211
ns
P52
CLKOUT to ALE assert time
10
19
5
13
5
13
ns
P53
CLKOUT to ALE negate time
Ñ
19
Ñ
13
Ñ
13
ns
P54
PCWE, IOWR negated to D(0:31) invalid
8Ñ3Ñ3Ñ
ns
P55
WAIT_B valid to CLKOUT rising edge
8Ñ8Ñ8Ñ
ns
P56
CLKOUT rising edge to WAIT_B invalid
2Ñ2Ñ2Ñ
ns
NOTES:
1.
PSST = 1. Otherwise, add PSST times cycle time.
2.
PSHT = 0. Otherwise, add PSHT times cycle time.
3.
These synchronous timings deÞne when the WAIT_B signal is detected in order to freeze (or relieve) the
PCMCIA current cycle. The WAIT_B assertion will be effective only if it is detected two cycles before the PSL
timer expiration.
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com



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