Philips CEM2100/00 Service Manual page 419

5.2 DSP core section
5-2-1 DC characteristics
(Unless otherwise specified, VDD3 = A VDD3 = DVDD3L/R = XVDD3 = RVDD3 = 3.3 V, VDD1 = VDDM1 =
1.5V , Ta = 25°C)
Characteristics
Oprating Power Supply
Voltage
Oprating frequency range
×1 speed
Operating power supply
current
×2 speed
"H" level
"L" level
Input Voltage
"H" level
"L" level
"H" level
Input current
"L" level
"H" level
"L" level
Output current
"H" level
"L" level
Test
Symbol
Circuit
VDD3
RVDD3
--
AVDD3
DVDD3L/R
XVDD3
VDD1
--
VDDM1
fopr -- Ta = -20～70℃, VDD1/VDDM1=1.4V
IDD3
XI = 16.9344 MHz
IDD1
fopr = 85 MHz (Note 8)
IDDM
@ CDMP3 opration(MP3 Stream
fs=48kHz/320 kbps)
IDD3
Ta=-20℃～70℃
IDD1
(Includs current for CD servo)
IDDM
VIH3
CMOS input pins (3 V circuits)
--
excluding analog input pins
VIL3
VIH1
-- /SRMSTB pin
VIL1
IIH3 VIH3 = VDD3
--
IIL3 VIL3 = VSS
IOH3 VOH3 = 2.9 V
IOL3 VOL3 = 0.4 V
--
IOH3 VOH3 = 2.9 V
IOL3 VOL3 = 0.4 V
19
Test Condition
--
--
VDD3
VDDM1
Pins listed at (#1) in
the following table.
Pins listed at (#2) in
the following table.
TC94B14MFG
Min Typ. Max Unit
3.0 3.3 3.6 V
1.4 1.5 1.6 V
-- 87.5
-- MHz
-- 80 100
-- 30 36
-- 0.6 1
mA
-- 80 100
-- 32 38
-- 0.6 1
-- --
x 0.7
VDD3
-- --
x 0.3
V
-- --
x 0.8
VDDM1
-- --
x 0.2
-- -- 2.0
μA
−1.0
-- --
-- -- −4.0
4.0 -- --
mA
-- -- -2.0
2.0 -- --
2010-01-12