MPC5668x Data Sheet - Freescale Semiconductor

Electrical characteristics
4.13 Pad AC specifications
40
6 256 KB Block Pre-program and Erase Time t 256kpperase — 5200 15,000 ms
7 Wait States Relative to System Frequency 5
PFCRPn[RWSC] = PFCRPn[APC] = 0b000; PFCRPn[WWSC] = 0b01
PFCRPn[RWSC] = PFCRPn[APC] = 0b001; PFCRPn[WWSC] = 0b01
PFCRPn[RWSC] = PFCRPn[APC] = 0b010; PFCRPn[WWSC] = 0b01
PFCRPn[RWSC] = PFCRPn[APC] = 0b011 – 0b111; PFCRPn[WWSC] = 0b01
PXN20 Microcontroller Data Sheet, Rev. 1
t rwsc
—
—
—
—
—
—
—
—
30
60
90
f SYS max
8 Recovery Time t Recover — — 45 s
1
Typical program and erase times assume nominal supply values and operation at 25
o
C.
2
Initial factory condition: 100program/erase cycles, nominal supply values and operation at 25
o
C.
3
The maximum time is at worst case conditions after the specified number of program/erase cycles. This maximum value is
characterized but not guaranteed.
4
Actual hardware programming time. This does not include software overhead.
5
Wait state timing is based on the system clock frequency and thus is same for all masters.
Table 22. Flash EEPROM Module Life (Full Temperature Range)
Spec Characteristic Symbol Min Typical 1
1 Number of Program/Erase cycles per block for 16 KB and 64 KB blocks
over the operating temperature range (TJ) 2 Number of Program/Erase cycles per block for 128 KB blocks over the
operating temperature range (TJ) 3 Minimum Data Retention at 85 °C ambient temperature2 Blocks with 0–1,000 P/E cycles
Blocks with 1,001–10,000 P/E cycles
Blocks with 10,001–100,000 P/E cycles
1 o
Typical endurance is evaluated at 25 C. Product qualification is performed to the minimum specification. For additional
information on the Freescale definition of Typical Endurance, please refer to Engineering Bulletin EB619, Typical Endurance
for Nonvolatile Memory.
2 Ambient temperature averaged over duration of application, not to exceed product operating temperature range.
MHz
Unit
P/E 100,000 — cycles
P/E 1,000 100,000 cycles
Retention
Table 23. Pad AC specifications (5.0 V, 2.5 V) 1
Spec Pad Type 2 SRC/DSC 3 Output Delay 4,4 (ns)
1 Slow 7
Table 21. Flash program and erase specifications 1 (continued)
Spec Characteristic Symbol Min Initial
Max 2 Max 3 Unit
00
01
11
Rise/Fall 5,6
(ns)
20
10
1–5
— years
Load Drive
(pF)
318/343 155/173 50
408/431 188/204 200
61/67 30/34 50
80/90 38/44 200
18/18 10/11 50
27/28 15/17 200
Freescale Semiconductor