D77P25
Abstract: UV-prom pd77p25 uPD77p25 PD77C25
Text: NEC ¿{PD77C25, 77P25 6. ELECTRICAL SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS T a = 2 5 °C Param eters Power Supply Voltage Sym bol V dd Conditions P roduct names ,uPD77C25 Ratings Unit - 0 .5 to +7.0 V PD77P25 Input Voltage V pp ,PD77P25 - 0 .5 to +13.5
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uPD77C25
uPD77P25
PD77P25
D77P25
UV-prom
pd77p25
PD77C25
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pd77p25
Abstract: 27FFH PD77C25
Text: ¿{PD77C25, 77P25 NEC 5. /PD77P25 PROM INTERFACE 1 Input/Output Data Format One word of the instruction ROM consists of 24 bits, while 16 bits make up one data ROM word. Data are programed to or read from these PROMs in units of 8 bits (byte). Therefore, special address are assigned
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uPD77P25
PD77C25,
77P25
2000H
27FFH
1-word-for-24-bit
pd77p25
PD77C25
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IR35-207-2
Abstract: No abstract text available
Text: ¿{PD77C25, 77P25 NEC ★ 8. RECOMMENDED SOLDERING CONDITIONS When soldering this product, it is highly recommended to observe the conditions as shown below. If other soldering processes are used, or if the soldering is performed under different conditions, please make sure to consult with our
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uPD77C25
uPD77P25
C10535E)
/xPD77C25GW-xxx:
32-pin
P15-162-1
PD77C25C-xxx:
28-pin
PD77P25C:
IR35-207-2
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Untitled
Abstract: No abstract text available
Text: - ► DACK DRQ DMA Interface Logic - Instruction ROM PROM Note 2048 x 24 PC TT STACK SGN TRB RST INT V dd — w INTERRUPT N > O N CD CD o § OVAO CO CO CD CD —*• o CLK - GND — o IC A SA1 VppNote CO > o O < < CD CD -*■ O GJ o o * g > o DO > Note ¿¿PD77P25
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uPD77P25
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UPD77C25GW
Abstract: No abstract text available
Text: NEC ¿{PD77C25, 77P25 ★ O RDERING INFO RM ATIO N Part Number Package /xPD77C25C-xxx 28-pin plastic DIP 600 mil /jPD77C25GW-xxx 32-pin plastic SOP (525 mil) /¿ P D 7 7 C 2 5 L -X X X 4-4—pin plastic QFJ (650 x 650 mil) /¿PD77P25C 28-pin plastic DIP (600 mil)
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uPD77C25C-xxx
uPD77C25GW-xxx
PD77C25,
77P25
28-pin
32-pin
44-pin
UPD77C25GW
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PD77C25
Abstract: CLK19 77p25 uPD77C25 uPD77P25C UPD77P25D
Text: NEC ¿{PD77C25, 77P25 ★ PIN CONFIGURATIONS Top View 28-pin plastic DIP (600 m il): /iP D 7 7 C 2 5 C -x x x , /¿PD77P25C 28-p in ceram ic DIP (600 m il): /PD77P25D NC/VppNote O 28 — O Vdd 27 — O A0 26 — o 25 —O RD 24 —O WR 23 -*-0 SORQ 22 -+ 0 SO
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28-pin
uPD77C25C-xxx
uPD77P25C
uPD77P25D
PD77C25,
77P25
77C25L-xxx,
PD77C25GW
PD77P25GW
PD77C25
CLK19
77p25
uPD77C25
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PD77C25
Abstract: No abstract text available
Text: ¿{PD77C25, 77P25 NEC 2. INTERNAL FUNCTIONS 1 Instruction ROM This ROM stores the program of the /JPD77C25 and has a capacity of 2K words x 24 bits. In the /iPD77C25 this is a mask ROM and in the /¿PD77P25 is a PROM. The address to be accessed is specified by Program
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uPD77C25
uPD77P25
/JPD77C25
/iPD77C25
PD77P25
11-bit
PD77C25
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77p25
Abstract: ic 2312
Text: DATA SHEET MOS INTEGRATED CIRCUIT ¿¿PD77C25, 77P25 DIGITAL SIGNAL PROCESSOR The /¿PD77C25, 77P25 are 16-bit fixed point CMOS signal processors intended for real-time digital processing of speech signals. Each device consists of a parallel multiplier 1 6 x 1 6 bits -^3 1 bits , an ALU (16 bits), an instruction ROM (2,048
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uPD77C25
uPD77P25
PD77C25,
77P25
16-bit
/iPD77C25,
PD7720
U12675EJ7V0DS00
ic 2312
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D77C25
Abstract: 77c25 PD77C25 interfacing of RAM and ROM with 8085 JPD780 77C25 nec PD77P25 77P25C 77C20A EVAKIT-77C25
Text: N E C ELECTRONICS INC LIE D WË fc,M275E5 0033007 321 BINECE jjPD77C25/77P25 Digital Signal Processor NEC Electronics Inc. Description □ Drop-in com patible w ith 77C20A/7720A/77P20 ThepPD77C25 and/PD77P25 Digital Signal Processors DSP are significant upgrades to the /uPD7720—the
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M275E5
uPD77C25
uPD77P25
ThepPD77C25
and/jPD77P25
/uPD7720--the
juPD77C25
pPD77P25
77C25
77P25
D77C25
PD77C25
interfacing of RAM and ROM with 8085
JPD780
77C25 nec
PD77P25
77P25C
77C20A
EVAKIT-77C25
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Untitled
Abstract: No abstract text available
Text: NEC ¿{PD77C25, 77P25 1. PIN FUNCTIONS 1.1 Pin Functions for Normal Operation Pin Pin N um ber Designation I/O Function 28-pin Plastic DIP, 32-pin Plastic SO P 44-pin Plastic QFJ 28-pin Ceramic DIP 28 V dd GND 14 V p p Note 1 31 1 32 44 15 21 16 22 2 2 —
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28-pin
32-pin
44-pin
uPD77C25
uPD77P25
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