Description
<eXnl o 40 CHARACTERS BY 9 BITS o EXPANDABLE CHARACTER AND BIT SIZE (CASCADE CAPABILITY) o DC TO 1 MHz ASYNCHRONOUS 1/0 ACCESS >The FIFO (First-ln/First-Out) Storage Chip is an asynchron- ous memory organized in a nine-bit by forty-character stack. ~ Chara~ters are loaded at the top of the stack and then 'sink" ~ to the bottom of the stack, or to the level of previously en- m tered data, without external clocks being applied. As a char- ~ o INPUTIOUTPUT READY STATUS FLAGS o THREE STATE OUTPUTS acter is taken from the bottom of the stack, all of the previollsly loaded characters will automatically propagate toward the output (bottom of stack). o SEPARATE INPUT AND OUTPUT ENABLES o DIRECTLY TTL COMPATIBLE o MASTER RESET o NO EXTERNAL CLOCKS REQUIRED o 28-PIN DIP PLASTIC OR CERAMIC PACKAGE Data can be entered whenever the INPUT REGISTER EMPTY line is high by strobing INPUT STROBE.
