SAA7108AE Datasheet, PDF (187/208 Pages) NXP Semiconductors – HD-CODEC

NXP Semiconductors
SAA7108AE; SAA7109AE
HD-CODEC
Table 240. Characteristics of the digital video decoder part …continued
V_DDD = 3.0 V to 3.6 V; V_DDA = 3.1 V to 3.5 V; T_amb = 0 °C to 70 °C (typical values measured at T_amb = 25 °C); timings and
levels refer to drawings and conditions illustrated in Figure 67; unless otherwise specified.
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
Clock output timing
C_L
output load capacitance
15
-
50
pF
T_cy
cycle time
35
-
39
ns
δ
duty factor for
t_XCLKH/t_XCLKL
35
-
65
%
t_r
rise time
0.6 V to 2.6 V
-
-
5
ns
t_f
fall time
2.6 V to 0.6 V
-
-
5
ns
Data and control signal output timing X port, related to XCLK output (for XPCK[1:0] 83h[5:4] = 00 is default)^[3]
C_L
t_OHD;DAT
t_PD
output load capacitance
output hold time
propagation delay from
positive edge of XCLK
output
C_L = 15 pF
C_L = 15 pF
15
-
50
pF
-
14
-
ns
-
24
-
ns
Control signal output timing RT port, related to LLC output
C_L
t_OHD;DAT
t_PD
output load capacitance
output hold time
propagation delay from
positive edge of LLC
output
C_L = 15 pF
C_L = 15 pF
15
-
50
pF
-
14
-
ns
-
24
-
ns
ICLK output timing
C_L
output load capacitance
15
-
50
pF
T_cy
cycle time
31
-
45
ns
δ
duty factor for t_ICLKH/t_ICLKL
35
-
65
%
t_r
rise time
0.6 V to 2.6 V
-
-
5
ns
t_f
fall time
2.6 V to 0.6 V
-
-
5
ns
Data and control signal output timing I port, related to ICLK output (for IPCK[1:0] 87h[5:4] = 00 is default)
C_L
output load capacitance
at all outputs
15
-
50
pF
t_OHD;DAT
output data hold time
t_o(d)
output delay time
ICLK input timing
C_L = 15 pF
C_L = 15 pF
-
12
-
ns
-
22
-
ns
T_cy
cycle time
31
-
100
ns
[1] 8-bit image port output mode, expansion port is 3-stated.
[2] The levels must be measured with load circuits; 1.2 kΩ at 3 V (TTL load); C_L = 50 pF.
[3] The effects of rise and fall times are included in the calculation of t_OHD;DAT and t_PD. Timings and levels refer to drawings and conditions
illustrated in Figure 67.
[4] The crystal oscillator drive level is typically 0.28 mW.
SAA7108AE_SAA7109AE_3
Product data sheet
Rev. 03 — 6 February 2007
© NXP B.V. 2007. All rights reserved.
187 of 208