MCIMX257CJM4A Freescale, MCIMX257CJM4A Datasheet - Page 29

• Manufacturer Part Number: MCIMX257CJM4A
• Manufacturer: Freescale

Specifications of MCIMX257CJM4A

• Lead Free Status / RoHS Status: Compliant

Note:
1. Maximum condition for tpr, tpo, and tpv: wcs model, 1.1 V, I/O 3.0 V (3.0–3.6 V range) or 1.65 V (1.65–1.95 V range), and 105
2. Minimum condition for tps: wcs model, 1.1 V, I/O 3.0 V (3.0–3.6 V range) or 1.65 V (1.65–1.95 V range), and 105 °C. tps is
3. Maximum condition for tdit: bcs model, 1.3 V, I/O 3.6 V (3.0–3.6 V range) or 1.95 V (1.65–1.95 V range), and –40 °C.
4. Maximum condition for tpi and trfi: wcs model, 1.1 V, I/O 3.0 V (3.0–3.6 V range) or 1.65 V (1.65–1.95 V range), and 105 °C.
5. Hysteresis mode is recommended for input with transition time greater than 25 ns.
Freescale Semiconductor
Output pad dI/dt (max. drive)
Output pad dI/dt (high drive)
Output pad dI/dt (standard
drive)
Input pad propagation delay
without hysteresis,
50%–50%
Input pad propagation delay
with hysteresis, 50%–50%
Input pad propagation delay
without hysteresis,
40%–60%
Input pad propagation delay
with hysteresis, 40%–60%
Input pad transition times
without hysteresis
Input pad transition times
with hysteresis
Maximum input transition
times
°C. Minimum condition for tpr, tpo, and tpv: bcs model, 1.3 V, I/O 3.6 V (3.0–3.6 V range) or 1.95 V (1.65–1.95 V range), and
–40 °C. Input transition time from core is 1 ns (20%–80%).
measured between VIL to VIH for rising edge and between VIH to VIL for falling edge.
Minimum condition for tpi and trfi: bcs model, 1.3 V, I/O 3.6 V or 1.95 V (1.65–1.95 V range), and –40 °C. Input transition time
from pad is 5 ns (20%–80%).
Parameter
i.MX25 Applications Processor for Consumer and Industrial Products, Rev. 6
Symbol Test Voltage
trm
tdit
tdit
tdit
tpi
tpi
tpi
tpi
trfi
trfi
Table 19. Slow I/O AC Parameters (continued)
1.65–1.95 V
1.65–1.95 V
1.65–1.95 V
1.65–1.95 V
1.65–1.95 V
1.65–1.95 V
3.0–3.6 V
3.0–3.6 V
3.0–3.6 V
3.0–3.6 V
3.0–3.6 V
3.0–3.6 V
—
—
—
—
—
—
Capacitance
1.6 pF
1.6 pF
1.6 pF
1.6 pF
1.6 pF
1.6 pF
25 pF
50 pF
25 pF
50 pF
25 pF
50 pF
25 pF
50 pF
25 pF
50 pF
25 pF
50 pF
Test
—
0.82/0.47
1.75/1.63
1.62/1.28
1.82/1.55
0.16/0.12
0.16/0.13
Rise/Fall
1.88/2.1
1.1/1.3
2.4/2.6
0.74/1
Min.
15
16
—
7
7
8
9
5
5
4
4
2
2
2.67/2.22
2.28/1.87
0.23/0.18
0.22/0.18
Rise/Fall
1.1/0.76
1.43/1.6
1.9/1.56
1.1/1.5
2.2/2.4
3/3.07
Typ.
36
38
21
22
20
21
14
15
10
10
—
7
7
1.75/2.16
2.38/1.82
2.95/2.54
3.77/3.71
0.33/0.29
0.33/0.29
Rise/Fall
1.6/1.04
2.7/2.75
2.92/3
Max.
2/2
76
80
56
58
45
47
38
40
22
23
18
19
25
Units Notes
mA
/ns
ns
ns
3
4
5
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