Renesas SH7781 用户手册
32. Electrical Characteristics
Rev.1.00 Jan. 10, 2008 Page 1625 of 1658
REJ09B0261-0100
t
EXHLW
t
EXHHW
t
EXVHW
t
OD1
t
OD2
IRDY/HSYNC
(Input)
IRDY/HSYNC
(Input)
LOCK/ODDF
(Input)
Figure 32.75 Display Timing in TV Synchronous Mode
32.4
AC Characteristic Test Conditions
The AC characteristic test conditions are as follows.
DDR pin only
• Input/output signal reference level
MDQS: /
MDQS cross point
MCK: /
MCK cross point
Other than above: VDDQ-DDR/2
• Input pulse level: VSSQ to VDDQ-DDR
• Input rise/fall time: 0.25 ns
• Input rise/fall time: 0.25 ns
Other pins
• Input/output signal reference level: VDDQ/2
• Input pulse level: VSSQ to VDDQ
• Input rise/fall time: 1 ns
• Input pulse level: VSSQ to VDDQ
• Input rise/fall time: 1 ns