TIBPAL20R8-10M

OBSOLETE - No Longer Available TIBPAL20L8-7C, TIBPAL20R4-7C, TIBPAL20R6-7C, TIBPAL20R8-7C TIBPAL20L8-10M, TIBPAL20R4-10M, TIBPAL20R6-10M, TIBPAL20R8-10M HIGH-PERFORMANCE IMPACT-X ™ PAL® CIRCUITS SRPS005E − D3307, OCTOBER 1989 − REVISED DECEMBER 2010 High-Performance Operation: fmax (no feedback) TIBPAL20R’ -7C Series . . . 100 MHz TIBPAL20R’ -10M Series . . . 62.5 MHz fmax (internal feedback) TIBPAL20R’ -7C Series . . . 100 MHz TIBPAL20R’ -10M Series . . . 62.5 MHz fmax (external feedback) TIBPAL20R’ -7C Series . . . 74 MHz TIBPAL20R’ -10M Series . . . 50 MHz Propagation Delay TIBPAL20L8-7C Series . . . 7 ns Max TIBPAL20L8-10M Series . . . 10 ns Max Functionally Equivalent, but Faster Than Existing 24-Pin PLD Circuits Preload Capability on Output Registers Simplifies Testing Power-Up Clear on Registered Devices (All Register Outputs are Set Low, but Voltage Levels at the Output Pins Go High) Package Options Include Both Plastic and Ceramic Chip Carriers in Addition to Plastic and Ceramic DIPs Security Fuse Prevents Duplication Dependable Texas Instruments Quality and Reliability DEVICE PAL20L8 PAL20R4 PAL20R6 PAL20R8 I INPUTS 14 12 12 12 3-STATE O OUTPUTS 2 0 0 0 REGISTERED Q OUTPUTS 0 4 (3-state buffers) 6 (3-state buffers) 8 (3-state buffers) I/O PORT S 6 4 2 0 description TIBPAL20L8’ C SUFFIX . . . JT OR NT PACKAGE M SUFFIX . . . JT PACKAGE (TOP VIEW) I I I I I I I I I I I GND 1 2 3 4 5 6 7 8 9 10 11 12 24 VCC 23 I 22 O 21 I/O 20 I/O 19 I/O 18 I/O ...