SAMSUNG Proprietary-Contents may change without notice
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SGH-V100 Circuit Description
on the rising edge of the WE signal.
XA(1) is ADDRESS LATCH ENABLE(ALE). input controls the activating path for address to the internal address.
Address are latched on the rising edge of WE with ALE high. _XCS3 is chip enable and _X_RD is Read Enable and
_X_WE is Write Enable. GPIO15 is READY/BUSY OUTPUT. The pin output indicates the status of the device operation.
When low, it indicates that a program, erase or random read operation is in process and returns to high state upon
completion. It is an open drain output and does not float to high-z when the chip deselected or when outputs are disabled
6)
Audio Amplifier(LM4890)
The LM4890 is a dual audio power amplifier capable of delivering 200mW of continuous average power into an 8 ohm
load with 0.1% from a 5V power supply.
Boomer audio power amplifier was designed specifically to provide high quality output power with a minimal amount of
external components using surface mount packing. Since the LM4890 does not require bootstrap capacitors or snubber
networks, it is optimally suited for low-power portable systems. The LM4890 features an externally controlled, low power
consumption shutdown mode which is virtually clickless and popless, as well as an internal thermal shutdown protection
mechanism. The unity-gain stable LM4890 can be configured by external gain-setting resistors.