MCIMX25 Motorola Semiconductor Products, MCIMX25 Datasheet - Page 30

• Manufacturer Part Number: MCIMX25
• Manufacturer: Motorola Semiconductor Products

Note:
1.Maximum condition for tpr, tpo, and tpv: wcs model, 1.1 V, IO 3.0 V and 105 °C. Minimum condition for tpr, tpo, and tpv: bcs
2. Minimum condition for tps: wcs model, 1.1 V, IO 3.0 V and 105 °C. tps is measured between VIL to VIH for rising edge and
3. Maximum condition for tdit: bcs model, 1.3 V, IO 3.6 V and –40 °C.
4. Maximum condition for tpi and trfi: wcs model, 1.1 V, IO 3.0 V and 105 °C. Minimum condition for tpi and trfi: bcs model, 1.3 V,
5. Hysteresis mode is recommended for input with transition time greater than 25 ns.
3.5.3
The DDR pad type is configured by the IOMUXC_SW_PAD_CTL_GRP_DDRTYPE register (see
Chapter 4, “External Signals and Pin Multiplexing,” in the i.MX25 Multimedia Applications Processor
Reference Manual).
30
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
model, 1.3 V, IO 3.6 V and –40 °C. Input transition time from core is 1ns (20%–80%).
between VIH to VIL for falling edge.
IO 3.6 V and –40 °C. Input transition time from pad is 5ns (20%–80%).
DDR I/O AC Parameters
i.MX25 Applications Processor for Consumer and Industrial Products, Rev. 2
Table 19. Fast I/O AC Parameters for OVDD = 3.0
didt
didt
didt
trm
tpi
tpi
tpi
tpi
trfi
trfi
25 pF
50 pF
25 pF
50 pF
25 pF
50 pF
1.6pF
1.6pF
1.6pF
1.6pF
1.6pF
1.6pF
—
0.729/0.458 0.97/0.0649 1.404/0.97
1.203/0.938 1.172/1.187 1.713/1.535
0.879/0.977 1.434/1.12 1.854/1.427
1.353/1.457 1.637/1.659 2.163/1.991
0.16/0.12
0.16/0.13
46
49
35
37
22
23
—
–
3.6 V (continued)
0.23/0.18
0.22/0.18
108
113
82
86
52
55
—
0.33/0.29
0.33/0.29
250
262
197
207
116
121
—
Freescale Semiconductor
mA/ns
mA/ns
mA/ns
ns
ns
ns
ns
ns
ns
ns
3
4
5