ATA20 White Electronic Designs Corporation, ATA20 Datasheet - Page 7

• Manufacturer Part Number: ATA20
• Description: Density = 8MB-160MB ;; Memory Device = Hitachi Flash ;; Organization = X16/x8 ;; Speed (ns) = 250 ;; Volt = 3/5
• Manufacturer: White Electronic Designs Corporation

June 2000 Rev. 5 – ECO #12935
Card Block Diagram
7PxxxATA20xxC25
Note:
RDY/-BSY/-IREQ/INTRQ
BVD1/STSCHG/-PDIAG
BVD2/-SPKR/-DASP
-PDIAG PIN IS Schmitt trigger type input output buffer.
-CE1, -CE2, -OE, -WE, -IORD, -IOWR, -REG, RESET, -CSEL pins are pulled up in the card.
RESET/-RESET
-WAIT/IORDY
-OE, -ATASEL
WP/-IOIS16
D0 TO D15
-CE1, -CE2
A0 to A10
-INPACK
-IOWR
-IORD
GND
-CSEL
Vcc
-REG
-WE
-CD1
-CD2
VS1
VS2
OPEN
Internal Vcc
Controller
7
White Electronic Designs Corporation [phone]
Flash
memory
bus
Reset IC
X’tal
HN29W6411A
Control signal