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| PT7A6632 Datasheet, PDF (48/61 Pages) Pericom Semiconductor Corporation – PT7A6632 32-Channel HDLC Controller | |||
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Data Sheet
PT7A6632 32-Channel HDLC Controller
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Figure 43. PT7A6632 External Memory Example Interface Waveforms - Write/Read Double Memory Access Plus a
Single Activation Read Access
SYSCLK
DMND
AS
A0-A15
READ
WRITE
D0-D7
INTR*
Rx/Tx
CH0-CH4
SYSACC
* Activated by status write only.
Detailed Specifications
Absolute Maximum Ratings
Storage Temperature ...................................................... -65oC to +150oC
Ambient Temperature with Power Applied ...................... -40oC to +85oC
Supply Voltage to Ground Potential (Inputs & V Only) ...... -0.3 to 7.0V
CC
Supply Voltage to Ground Potential (Outputs & D/O Only) .. -0.3 to 7.0V
DC Input Voltage .................................................................. -0.3 to 7.0V
DC Output Current ...................................................................... 120mA
Power Dissipation .............................................................................. 2W
Note:
Operation at levels greater than those listed under
âAbsolute Maximum Ratingsâ may cause perma-
nent damage to the device. This is a stress rating
only; functional operation of the device at these or
any other conditions above those indicated in the
Operation Condition tables is not implied. Expo-
sure to Absolute Maximum Rating conditions for
extended periods may affect reliability.
Recommended Operating Conditions
Table 16. Recommended Operating Conditions
Sym
Descr iption
Test Conditions
VCC
Supply Voltage
Over Recommended
TA
Operating Temperature
Operating Conditions
Note:
Typical figures are at 25oC and are for design aid only; not production tested.
PT019(05/02)
48
Min Typ Max Units
4.5
5.0
5.5
V
-40
25
85
oC
Ver:2
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